Takahashi Ai (高橋愛) is a Japanese singer, actress and model managed by UP-FRONT CREATE. She is best known as a former leader and 5th generation member of Morning Musume and Hello! Project and as a former member of Minimoni. She first joined Morning Musume in 2001 through the 5th generation auditions. In 2007, Takahashi became the leader of Morning Musume and Hello! Project, and in 2009, she became the longest-serving Morning Musume leader. When she graduated on September 30, 2011, she passed both leadership positions to fellow 5th generation member Niigaki Risa.
Takahashi Ai was born on September 14, 1986 in Sakai, Fukui Prefecture.
During her childhood, she practiced ballet.
Takahashi Ai joined Morning Musume in 2001 as part of the group's fifth generation along with Ogawa Makoto, Konno Asami, and Niigaki Risa. Her debut with the group was on their 13th single "Mr.Moonlight ~Ai no Big Band~."
In 2002, The first album was she featured on was the group's fourth album, titled 4th Ikimasshoi!. It is currently their second highest selling album, with a total of 515,400 copies sold.
Soon after Takahashi entered into her first Hello! Project Shuffle Unit, Happy 7, as one of the group's lead singers.
Later in 2003, she was part of the Morning Musume splinter group Morning Musume Sakura Gumi, which performed mainly slower numbers on the group's two singles, "Hare Ame Nochi Suki ♡" and "Sakura Mankai," and the shuffle group 7AIR, an rhythm and blues inspired septet.
Takahashi's vocals became more prominent on the second and final Minimoni album, "Minimoni Songs 2," as well as on Morning Musume's singles from "Roman ~MY DEAR BOY~" onward. She also had a duet with Tsunku singing Hamasaki Ayumi's "LOVE~Since1999~" for his second solo album TAKE 1.
In the summer of that year, she became part of the 2005 shuffle group Elegies.
In 2006, Takahashi played the lead role, Sapphire, in the musical Ribbon no Kishi The Musical which was a collaboration work of the famous Japanese all-female musical troupe Takarazuka Revue and Hello! Project. The musical was based on Tezuka Osamu's manga, and also starred the all of the members of v-u-den, Tsuji Nozomi, Matsuura Aya and Abe Natsumi, as well as Marcia and Kaoru Ebira of the Takarazuka Revue.
Soon thereafter, Takahashi released her first solo single, "Yume Kara Samete."
Following then-leader Yoshizawa Hitomi's graduation from Morning Musume on May 6, the current sub-leader, Fujimoto Miki ascended to the leader position, with Takahashi becoming the new sub-leader of the group. However, on June 1, after Fujimoto's resignation, Takahashi took over as the new leader.
Takahashi also became the captain of the Hello! Project kickball team, Metro Rabbits H.P.
Takahashi became a member of Hello Project's new unit High-King, a group created to promote Morning Musume's upcoming Cinderella the Musical, in which Takahashi played the main character.
It was announced in July 2008, that Takahashi and fellow Morning Musume member Niigaki Risa would play the '80s J-Pop duo Pink Lady in the TV Drama Hitmaker Aku Yuu Monogatari.
As of September 2008, she and Niigaki Risa had the second longest tenures of any member, with only Iida Kaori remaining in the group longer. She is also one of only four members to remain in the group for seven years or more, with the others being Iida Kaori, Yoshizawa Hitomi and Niigaki Risa.
In February 1, during the Hello! Project 2009 Winter Kettei! Hello☆Pro Award '09 ~Elder Club Sotsugyou Kinen Special~ concert held at Yokohama Arena, Nakazawa Yuko passed on her leadership position in Hello! Project to Takahashi.
In December, Ai Takahashi promoted the release of Final Fantasy XIII in Japan.
Takahashi joined the Inter FM FIVESTARS radio line-up by getting her own regular radio show.
Takahashi dubbed the part of the main actress Kim Ah-joong who portrays the character Han Ji-soo in the Korean drama Accidental Couple.
Takahashi opened up an official Ameba blog.
At the beginning of 2011, it was announced that Takahashi would graduate in Autumn 2011, passing leadership of Morning Musume and Hello! Project to then sub-leader Niigaki Risa. Takahashi made following statement:
- "Since Eri graduated, Tsunku told me to think about when I should graduate, too. There is still a lot of time so, after having been the leader for the 9th gen and having taken good care of them, I want to graduate."
It was announced that Takahashi Ai would be the lead actress in a special Valentine Day's drama titled Koi Choco - Bitter Sweet Angel.
It was announced that Takahashi would be opening an official Ameba Shop.
On June 23, it was announced that in her last Morning Musume single, "Kono Chikyuu no Heiwa wo Honki de Negatterun da yo!", she would release a solo song, "Jishin Motte Yume wo Motte Tobitatsu Kara", as a coupling song only available in her graduation edition of the single.
On June 30, Morning Musume's fall tour title was announced as Morning Musume Concert Tour 2011 Aki Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~. Takahashi would graduate from Morning Musume on the final day of the tour on September 30, at Nippon Budokan.
On July 26, it was announced that Takahashi would release her last photobook, Ai Ai Ai, released on September 14.
It was announced that Takahashi would star in a musical titled Dance of the Vampire. The musical took place from November 17 to December 24.
On September 23, it was announced that Takahashi would be appointed Ambassador for her hometown Fukui. This occurred on September 26, 2011.
On October 3, it was announced that Takahashi had joined M-line.
On October 11, it was announced that Takahashi would be a regular MC on the Ameba Studio show Joshi Chikara Café ~Aisukurissu~ hosted by Chris Matsumura. The show aired every Wednesday starting from October 12 at 10PM (JST).
On November 25, it was announced that Takahashi would be part of the cast for a stage play titled La Patisserie. The play ran from March 3 to March 11 in Tokyo, and on March 20 and 22 in Osaka and Ishikawa.
On May 6, Takahashi announced that she would be part of Taira no Kiyomori, debuting in June. She played Tsuneko, the wife of Kiyomori's eldest son.
Takahashi starred in a stage play titled High School Uta Gekidan☆Otoko-gumi. The play ran from September 12 to September 23.
It was announced that Takahashi would be voicing the character Nanao Futaba in the hit anime Detective Conan for two episodes, which aired in December.
On February 12, it was announced that Takahashi would star in a stageplay titled Moshimo Kokumin ga Shusho o Erandara along with Ishikawa Rika, S/mileage members Wada Ayaka and Fukuda Kanon, and Juice=Juice members Miyamoto Karin and Uemura Akari. There were 11 showings, running from April 24 to April 30.
On March 18, Takahashi appeared in the commercial "Ai to Kumao," promoting the insect repellent Mushuda. This was her first time appearing solo on a commercial.
On May 10, Takahashi modeled for Vanquish Venus fashion magazine.
Takahashi held a solo-live, titled Takahashi Ai Sparkling Live in Yuigahama, on July 21.
Takahashi participated in a musical called Merrily We Roll Along in November.
On July 3, it was announced that Takahashi would be going to Thailand for the Japan Festa 2013 from August 31 to September 1. She held a free mini live and handshake event.
On July 16, it was announced that she would hold a birthday live, titled Ai Takahashi Birthday Live 2013 ~HELLO♥27~, on September 14 in Tokyo and September 16 in Osaka. Later, her Osaka performance was cancelled due to a typhoon.
On September 10, HMV announced that Takahashi would be releasing her first style book, titled AI am I. on October 18. It included an interview about her Morning Musume days, as well as her idea of love; and also articles on how to find a outfit, hair tips, and makeup.
Takahashi became a regular in the new TV drama Jikken Keiji Totori 2, which began airing on October 12.
In late October to November, Takahashi began filming in Usa, Oita for the movie Kara-age☆USA as the lead actress.
On March 17, Takahashi appeared in another commercial for the insect repellent Mushuuda, titled "Live."
In September, her film Kara-age☆USA was released in theaters.
On September 13, Takahashi released her second style book I have AI.
Takahashi attended Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~ as a judge.
In April, it was announced that she had formed a unit with fellow Morning Musume graduates Yaguchi Mari and Tsuji Nozomi called Datsumo Musume, under the management of Datsumo Labo for the promotion of their hair removal services.
On July 17, the women's lingerie and clothing retailer PEACH JOHN announced they would be collaborating with Takahashi for the collection LOVE & PEACH.
On September 11, it was announced Takahashi would be collaborating with fashion brand haco. for the LOVE&PEACE Project 2015, a project that began in the wake of the 9/11 attacks to raise funds to support "a happy future for children around the world" by selling clothing from the project collection.
On October 2, Takahashi modeled and introduced a new boot collection by ASBee.
On October 24, Takahashi appeared as a model in the GirlsAward 2015 AUTUMN/WINTER at Yoyogi National Gymnasium.
In the spring, Takahashi starred in Hoshi Boshi no Yakusoku, Japan's first live-action drama movie made for a full-dome cinema, which was screened at the Fukui City Museum of Natural History Dome Theater.
On August 8, Takahashi collaborated with the clothing brand haco! for the LOVE AND PEACE PROJECT2016, continuing from the previous year.
On September 27, Takahashi released her third style book 30. as an e-mook.
On October 8, she appeared as a guest model in the GirlsAward 2016 AUTUMN/WINTER by Mynavi at Yoyogi National Gymnasium.
From November 21, Takahashi would be featured in a commercial for S.T. Corporation's Dasshuu Yumi product alongside singer Yaida Hitomi, titled "Ai to Yaiko Getabako".
On February 7, Takahashi was appointed the poster model for Kutsushitaya's SPRING 2017 collection.
On February 21, Takahashi appeared as a special guest during her friend Kojima Haruna's AKB48 graduation ceremony at Yoyogi National Stadium. Takahashi performed "Hare Ame Nochi Suki ♡" and "LOVE Machine" with some of the AKB48 members.
On March 3, it was announced that Takahashi and WEGO collaborated to create strawberry-themed clothing items that would be sold from March 17 online and from April 1 in-stores.
Takahashi starred in a web commercial for Shiseido Senka's Perfect Whip Silky facial cleanser which was uploaded on May 8.
On September 16, she appeared as a guest model in the Rakuten GirlsAward 2017 AUTUMN/WINTER at Makuhari Messe.
On October 13, Takahashi released her fourth style book and her first self-edited book, titled i ♡ magazine.
On November 21, Takahashi made a surprise appearance alongside Michishige Sayumi and Tanaka Reina during the Morning Musume Tanjou 20 Shuunen Kinen Concert Tour 2017 Aki ~We are MORNING MUSUME~ at Nippon Budokan. The three of them performed "Shabondama" and "Resonant Blue" with all of the current members.
On May 4, she held a joint fanclub event with Niigaki Risa, titled Takahashi Ai・Niigaki Risa FC Event AiGaki DISCO 2018 ~Time Slip~.
On May 19, Takahashi appeared as a guest model in the Rakuten GirlsAward 2018 SPRING/SUMMER at Makuhari Messe.
On July 24, Takahashi starred in KFC's collaborative web commercial with mini magazine to promote the "Shin Krushers" drink.
On September 1, Takahashi appeared as a guest model in the Tokyo Girls Collection 2018 AUTUMN/WINTER at Saitama Super Arena.
On September 8, Takahashi celebrated her 32nd birthday at the Takahashi Ai Birthday Event HAPPY B'DAY TO Meee 32., featuring three shows at Shibuya Shidax Culture Hall.
On September 16, she appeared in the Rakuten GirlsAward 2018 AUTUMN/WINTER at Makuhari Messe on September 16.
On July 8, she and Tanaka were cast in a commercial for S.T. Corporation's Kometouban bug repellant, titled "Ai to Reina no Bouken".
On September 16, she celebrated her 33rd birthday at a fanclub event titled Takahashi Ai Birthday Event ~HAPPY B'DAY TO Meee.33~, which featured three shows at Akabana ReNY alpha.
On Setpember 28, she appeared as a guest in the Rakuten GirlsAward 2019 AUTUMN/WINTER at Makuhari Messe.
On September 13, she celebrated her 34th birthday at a fanclub event titled Takahashi Ai Birthday Event ~HAPPY B'DAY TO Meee.34~ with three shows at LANDMARK HALL. In compliance with government policy due to the COVID-19 pandemic, cheering, crowding, standing, and closeness in the venue were prohibited, and wearing masks were required to enter.
On June 21, Takahashi along with Tanaka Reina and Natsuyaki Miyabi released the digital song "Oyoge! Taiyaki-kun" as the one-shot unit Taiyaki Tabeta no Nande? (たいやき たべたの なんで？; Why Did You Eat It?), abbreviated as TTN.
On September 11, she celebrated her 35th birthday at a fanclub event titled Takahashi Ai Birthday Event ~HAPPY B'DAY TO Meee.35th～ with two shows at LANDMARK HALL. In compliance with government policy due to the COVID-19 pandemic, cheering, crowding, standing, and closeness in the venue were prohibited, and wearing masks were required to enter.
On January 24, it was announced that Takahashi Ai was diagnosed with COVID-19. She had a fever on January 22, and subsequently took a PCR test. She was diagnosed positive on January 23. She is currently in stable condition, but she will continue to concentrate on treatment under the direction of medical institutions and health centers. Her husband also underwent a PCR test, and was diagnosed as positive and will also be treated under the direction of the health center.
On April 27, Takahashi Ai, Tanaka Reina, and Natsuyaki Miyabi will be releasing the collaborating album Laugh and Peace, which features comedic songs, including previously released track "Oyoge! Taiyaki-kun".
She is the oldest child in her family and has one sister who is two years younger.
When Takahashi joined Morning Musume, she was a third year middle school student. She graduated high school in March 2005.
- Niigaki Risa: Takahashi and Niigaki met during the 5th generation training camp and became close friends since.
- Kojima Haruna: Kojima has been a Morning Musume fan since before her debut in AKB48, and the two became friends when Kojima and Takahashi's husband Abe Koji were both Fridays regulars on the variety show PON! from 2013 to 2015.
On June 15, 2012, tabloid magazine FRIDAY reported Takahashi and entertainer Abe Koji, who is 11 years her senior, were in a relationship and lived together. The two met in May 2011 as co-stars in the stageplay Hamlet. Both their agencies stated they were good friends, but denied that they lived together.
On August 16, 2013, Nikkan Sports reported that Takahashi and Abe were engaged and planned to get married within the year. However, it was later revealed that neither of their agencies knew about the news and according to Takahashi, they were just friends and had no plans on getting married. On August 18, Abe confirmed that he and Takahashi were in a relationship, after both of their agencies denied that they were. At that point they still had no plans of getting married.
On December 21, 2013, it was announced that Takahashi and Abe were engaged and would be getting married on February 14, Valentine's Day, the next year. They registered their marriage in Yokohama (Abe's hometown) on February 14, 2014 and held a hotel press conference afterwards.
Takahashi and Abe held a wedding ceremony in Hawaii on June 2, 2014 (June 3 in Japan) in front of 30 friends and family, including Mitsui Aika. On January 21, 2015, they held a wedding party, which was attended by former Morning Musume members Yasuda Kei, Ishikawa Rika, Yoshizawa Hitomi, Ogawa Makoto, Konno Asami, Fujimoto Miki, and current members Fukumura Mizuki, Ikuta Erina, and Sayashi Riho.On October 15, 2016, a month after she had turned 30, Takahashi answered a question at a fashion event that she would like to have a child. She said that women often have to choose between work or being a mother, but there are plenty of great mothers who still work. She wants to be a good mother, but also a mother that can enjoy fashion; she wants a fulfilling private life while also continuing to do things she likes.
On April 12, 2013, Takahashi announced she would be undergoing surgery for vocal nodules. On her blog she stated, "I started feeling discomfort in my throat at the end of February, and sometimes I had a hard time uttering my voice." She began treatment in May, after her stageplay Moshimo Kokumin ga Shushou wo Erandara ended on April 30, and she announced her return to work on June 6.
Here is a list of nicknames that was used to refer to Takahashi Ai:
- Ai-chan (愛ちゃん): Official nickname, given her since joining Morning Musume. Used by members and fans.
- Takitty: Most commonly used by international fans due to the black catsuit she wore during the Minimoni the Movie Okashi na Daibouken! film.
- Lovely (ラブリー): Used for the role of Takahashi Lovely (高橋ラブリー) in "Hello Pro News" during Hello! Morning. It was used because "Lovely" is generally associated with Love (愛), which is the kanji for her name "Ai".
- Tettekete (テッテケテー): Given to her by Ishibashi Takaaki on Utaban. It was a play on her staccato, Morse Code-like speech pattern (e.g., "tette-te-tette-ke-kete") at that time. Since then, Yasuda Kei has used that nickname.
- Aiai (あいあい): Used in 2010 for Muten Musume.
- Birth/Stage Name: Takahashi Ai (高橋愛)
- Legal Name: Abe Ai (阿部愛)
- Nickname: Ai-chan (愛ちゃん)
- Birthdate: September 14, 1986
- Birthplace: Sakai, Fukui, Japan
- Blood Type: A
- Height: 154 cm (5 ft 0.6 in)?
- Weight: 45 kg
- Shoe Size: 23.5 cm
- Western Zodiac: Virgo
- Eastern Zodiac: Tiger
- Hello! Project Status:
- 2001-08-26: Member
- 2001-08-26: Morning Musume Member
- 2011-09-30: Graduated
- UP-FRONT GROUP Status:
- Years in Morning Musume: 10 Years
- Morning Musume Color: Yellow
- Morning Musume Sakura Gumi Color: Light Blue
- Audition Songs: Tsumetai Umi
- Hello! Project Groups:
- Shuffle Units:
- Concert Units:
- Other Groups:
- Main article: Takahashi Ai/Discography
- Collaboration Albums
- Collabboration Singles
- [2002.11.27] Genki Jirushi no Oomori Song / Okashi Tsukutte Okkasui~! (げんき印の大盛りソング / お菓子つくっておっかすぃ〜; Song Piled High With Energetic Signs / Making Strange Sweets) (Minimoni to Takahashi Ai + 4KIDS)
- Digital Singles
- [2006.07.02] Yume Kara Samete (夢から醒めて; Awoken from a Dream)
- [2012.05.09] HAPPY! Ippuku Maru (HAPPY!いっぷくまる)
- Digital Songs
- [2011.01.27] Koi wo Shichaimashita! (恋をしちゃいました!; I Fell in Love!) (Tanpopo cover)
- [2011.03.02] LOVE Namida Iro (LOVE涙色; LOVE the Color of Tears) (Matsuura Aya cover)
- [2011.03.30] Akai Nikkichou (赤い日記帳; Red Diary) (Akagumi 4 cover)
- [2011.03.30] Dearest (Matsuura Aya cover)
- [2011.03.30] Furusato (ふるさと; Hometown) (Morning Musume cover)
- [2021.06.21] Oyoge! Taiyaki-kun (with Tanaka Reina, Natsuyaki Miyabi)
- Solo Songs
- [2004.09.14] Furusato (from Morning Musume Best Shot Vol.3) (Morning Musume Cover)
- [2006.12.13] Yuki / Ai x Anata ≥ Suki (雪 / 愛×あなた≧好き; Snow / Love x You > Love)
- [2009.07.15] Cosmos (秋桜)
- [2010.12.01] Denwa de ne (電話でね; On The Phone, Right?)
- [2011.09.14] Jishin Motte Yume wo Motte Tobitatsu Kara (自信持って夢持って飛び立つから; I Take Off While Being Confident and Having Dreams)
Compilations / Other
- [2011.12.05] Hello! Project - Petit Best 12 (#5 Jishin Motte Yume wo Motte Tobitatsu Kara)
- [2012.05.23] Janet Kay - Idol KAY (アイドルKAY) (featured vocals on #10 LOVE Machine)
- [2013.07.31] Atari Kosuke - Best Covers ~Motto Nippon.~ (ベストカバーズ〜もっと日本。〜) (featured vocals on #2 Ame no Furanai Hoshi dewa Aisenai Darou?)
- [2002.12.04] Hello! Project Douyou Eizou Shuu ~Ponkikies21~
- [2003.05.01] Atarashii Douyou
- [2003.12.17] Alo-Hello! Takahashi Ai DVD (アロハロ!高橋愛DVD)
- [2007.04.11] Love-Hello! Takahashi Ai DVD (ラブハロ!高橋愛DVD)
- [2009.06.17] I.
- [2010.06.02] Figure
- [2011.04.20] AI loves you I love AI
- [2011.11.xx] Morning Musume Takahashi Ai Sotsugyou Memorial DVD (モーニング娘。高橋愛 卒業メモリアル)
- [2011.12.21] Love Love Love
Solo Fanclub DVDs
- [2011.09.xx] Ai's Holiday (愛's Holiday)
- [2012.01.26] ~Morning Days Happy Holiday Tokubetsu Hen~ Takahashi Ai Fanclub Tour in Fukui (～Morning Days Happy Holiday 特別編～高橋愛ファンクラブツアー in 福井)
- [2012.07.xx] Ai TIME -Aitai- (愛 TIME -アイタイ-)
- [2013.03.xx] M-line Memory Vol.9 - Ai Takahashi Fanclub Tour in Shizuoka (高橋愛ファンクラブツアー in 静岡)
- Main article: Takahashi Ai/Publications
- [2002.12.09] Takahashi Ai (高橋愛)
- [2003.12.17] Alo Hello! Takahashi Ai (アロハロ!高橋愛)
- [2004.05.27] Wataame (わたあめ)
- [2005.06.25] Ai Gokoro (愛ごころ)
- [2006.01.27] 19
- [2006.10.27] ai
- [2007.03.14] Love-Hello! Takahashi Ai Shashinshuu in Phuket (ラブハロ！高橋愛写真集inプーケット)
- [2007.10.26] Mizu (水)
- [2008.05.26] Mou Hitotsu no Ai (もうひとつの愛)
- [2009.05.23] Watashi (私)
- [2010.05.27] Katachi (形)
- [2011.03.28] LOVE NO.10
- [2011.09.14] Ai Ai Ai (愛 愛 愛)
- [2013.10.18] AI am I. (style book)
- [2014.09.13] I have AI. (style book)
- [2016.09.27] 30. (style book)
- [2017.10.13] i ♡ magazine (style book)
- [2018.04.23] Takahashi Ai no Kankoku Hon. (guide book)
- [2018.11.30] Ai Takahashi MAKE-UP BOOK (make-up book)
- [2021.10.29] AI VERSARY (20th anniversary memorial book)
-  Tokkaekko (とっかえっ娘。)
-  Minimoni the Movie Okashi na Daibouken! (ミニモニ。じゃムービーお菓子な大冒険！)
-  Jam Films (segment 'Hijiki')
-  Keitai Deka The Movie 3: Morning Musume Kyuushutsu Daisakusen!~ Pandora no Hako no Himitsu~ (ケータイ刑事 THE MOVIE3 モーニング娘。救出大作戦！～パンドラの箱の秘密)
-  Sharehouse (シェアハウス)
-  High School Kagekidan - Otokogumi (ハイスクール歌劇団☆男組)
-  Kyouryou wo Horou (恐竜を掘ろう)
-  Kara-age☆USA (カラアゲ☆ＵＳＡ)
-  Hoshi Boshi no Yakusoku (星々の約束)
- [2001–2007] Hello! Morning (ハロー! モーニング)
-  Matthew's Best Hit TV
- [2002-2004] Tintin TOWN! (ティンティンTOWN!)
-  Soreyuke! Gorokkies (それゆけ!ゴロッキーズ) (65 episodes)
-  Futarigoto (二人ゴト) (4 episodes)
-  Majokko Rika-chan no Magical v-u-den (魔女っ娘。梨華ちゃんのマジカル美勇伝)
-  Musume DOKYU! (娘DOKYU!)
-  Haromoni@ (ハロモニ@)
- [2008–2009] Yorosen! (よろセン!)
-  Bijo Houdan (美女放談) (2 episodes)
- [2010–2011] Bijo Gaku (美女学)
-  Hello Pro! TIME
- [2013–2014] Soccer Planet (サッカープラネット) (as a newscaster)
- [2013–2014] Yogaku Club @ glee (洋楽倶楽部@glee)
- [2014; 2018] The Girls Live
- [2019-] Chant! (チャント！) (as a Wednesday regular in the "Oshare Sanpo" segment)
-  Angel Hearts
-  Haikara-san ga Tooru (はいからさんが通る)
-  Kochira Hon Ikegami Sho (こちら本池上署) (as Tamiya Shiho) (1 episode)
-  Mikeneko Holmes no Hanzaigaku Kouza (三毛猫ホームズの犯罪学講座) (as Hamano Kaori)
-  Liliput Oukoku (リリパット王国) (voice actor)
-  Minimoni de Bremen no Ongakutai (ミニモニ。でブレーメンの音楽隊) (as Kurimura Chiyono) (4 episodes)
-  Tenka Souran ~ Tokugawa Sandai no Inmou (天下騒乱〜徳川三代の陰謀) (as Tokugawa Misako)
-  Doutoku Joshi Tandai Ecoken (道徳女子短大 エコ研)
-  Hitmaker Aku Yu Monogatari (ヒットメーカー 阿久悠物語) (as Mie of Pink Lady)
-  Q.E.D. Shoumei Shuuryou (Q.E.D. 証明終了) (as Mizuhara Kana)
-  Hanbun Esper (半分エスパー) (special guest) (3 episodes)
-  Koi Choco Bitter Sweet Angel (恋チョコ ビターズエンジェル) (as Takagi Ayana)
-  ATARU (アタル) (as Kojima Yuko)
-  Taira no Kiyomori (平清盛)
-  Juhou 2405 Watashi ga Shinu Wake (呪報2405 ワタシが死ぬ理由)
-  High School Uta Gekiden ☆ Otoko Gumi (ハイスクール歌劇団☆男組)
-  Ryuusei☆Vacation (流星☆バケーション)
-  Jikken Keiji Totori 2 (実験刑事トトリ2) (as Kawanaka Yayoi)
-  Aa, Love Hotel (ああ、ラブホテル) (1 episode)
-  Taikomochi no Tatsujin ~Tadashi XX no Homekata~ (太鼓持ちの達人〜正しい××のほめ方〜) (1 episode)
-  Shihou Kyoukan Hodaka Yoshiko (司法教官・穂高美子) (1 episode)
-  Gekijouban Tottoko Ham Ham Hamuuja! Maboroshi no Princess (劇場版 とっとこハム太郎 ハムハムハムージャ! 幻のプリンセス) (as Takaham)
-  Gekijouban Tottoko Ham Ham Grand Prix Aurora Tani no Kiseki Ribon-chan Kikiippatsu! (劇場版 とっとこハム太郎 ハムハムグランプリン オーロラ谷の奇跡 リボンちゃん危機一髪!) (as Takahashi)
-  Meitantei Conan (名探偵コナン) (as Nanao Futaba)
-  The Accidental Couple (アクシデント・カップル) (as Han Ji-soo)
- [2013–] S.T. Corporation "Mushuuda" (ムシューダ)
- [2013–] S.T. Corporation "Kaori Mushuuda" (かおりムシューダ)
- [2016–] S.T. Corporation "Dasshuu Sumi" (脱臭炭)
-  Right-on BACK NUMBER DENIM (web)
-  Shiseido "Senka Perfect Whip Silky" (専科 パーフェクトホイップシルキー) (web)
-  Kentucky Fried Chicken × mini "Shin Krushers" (新クラッシャーズ) (web)
- [2019–] S.T. Corporation "Kometouban" (米唐番)
-  Glico "Café au Lait" (カフェオーレ)
-  Dream Morning Musume - Shining Butterfly
-  Ame no Furanai Hoshi de wa Aisenai Darou? - Atari Kousuke (Morning Musume cover)
-  Doutoku Joshi Tandai Ecoken (道徳女子短大エコ研)
-  Ojigi 30do (おじぎ30度) (as Kinoshita Karin)
- [2009–2010] Takahashi Ai no Ichigo Ichie (苺いちえ) (FC Limited)
- [2011–2013] Joshi Chikara Cafe~Aisuikuri~su~ (女子力cafe～あいすくりーす～)
-  Ii ne! JAPAN Project (いいね!JAPANプロジェクト)
- [2013–] Boom UP TV
- [2021–] M-line Music
- [2003–2013] Youngtown Douyoubi (ヤングタウン土曜日) (as a semi-regular)
- [2004–2006] Hello Pro Yanen! (ハロプロやねん!) (6 episodes)
-  Ishikawa Rika no Chanchaka Charmy
-  TBC FUN Field Mou Let's Mou Dash (TBC FUNふぃーるど・モーレツモーダッシュ) (2 episodes)
- [2010–2011] FIVE STARS
-  Ribbon no Kishi The Musical (リッボンの騎士ザ・ミュージカル) (as Sapphire)
-  Ojigi 30do On Stage (おじぎ30度 オン・ステージ) (as Kinoshita Karin)
-  Cinderella the Musical (シンデレラ the ミュージカル) (as Cinderella)
-  Ojigi de Shape Up! (おじぎでシェイプアップ!) (as Kinoshita Karin)
-  Fashionable (ファッショナブル) (as Hasegawa Coco)
-  Watashi no Atama no Naka no Keshigomu 2nd letter (私の頭の中の消しゴム 2nd letter) (as Kaori)
-  Real Etude ~Takahashi Family to Niigaki Family (リアルエチュード『高橋さんと新垣さん家』)
-  "Hamlet" & Tragic? "Rosencrantz and Guildenstern Are Dead" (「ハムレット」＆悲劇？「ローゼンクランツとギルデンスターンは死んだ」) (as Ophelia)
-  Dance of The Vampires (ダンス オブ ヴァンパイア) (as Sarah)
-  Real-etude Minna no Ie Girl's STAGE (リアルエチュード みんなの家 Girl's STAGE)
-  La Patisserie (ラ・パティスリー) (as Morisawa Kaori)
-  Akage no Anne (Anne of Green Gables) (赤毛のアン) (as Diana Barry)
-  High School Uta Gekidan ☆ Otokogumi (ハイスクール歌劇団☆男組)
-  Joshikousei Chiyo (女子高生チヨ)
-  The Wedding Singer (ウェディングシンガー) (as Julia)
-  Moshimo Kokumin ga Shushou wo Erandara (もしも国民が首相を選んだら)
-  Watashi no Atama no Naka no Keshigomu 5th letter (私の頭の中の消しゴム 5th letter)
-  Akage no Anne (赤毛のアン; Anne of Green Gables) (as Anne Shirley)
-  Merrily We Roll Along (メリリー・ウィ・ロール・アロン)
-  Tensai Shitsuji Jeeves (天才執事ジーヴス)
-  Akage no Anne (as Anne Shirley)
-  Gakuya ~Makenki~ (楽屋〜負けん気〜)
-  Bokutachi Karen na Shounen Gasshoudan
- She ranked #17 in CDTV's 2004 "Which artists would you have as your girlfriend/lover" poll.
- She ranked #17 in CDTV's 2005 "Who you wanted to have as your Valentine" poll.
- She ranked #8 in CDTV's 2007 "Which artists would you have as your girlfriend/lover?".
- She ranked #6 in CDTV's February 2008 "Which artists would you have as a girlfriend/lover?" poll.
- She ranked #6 in CDTV's August 2008 "Which artists would you have as a girlfriend/lover?" poll.
- She ranked #3 in CDTV's 2009 "Which artists would you have as your girlfriend/lover" poll.
- She was voted 5th favorite member in the 2009 Hello! Project Music Awards Event.
- She ranked #4 in CDTV's 2010 "Which artists do you want as your sweetheart?" poll.
- She ranked #118 in ENTAME magazine's "Most Influential female Idols of 2010".
- She was voted 10th favorite member in the 2010 Hello! Project Music Awards Event.
- She ranked #26 in CDTV's 2011 "Favorite Female Artist" Ranking.
- She ranked #5 in music goo's 2011 "The best former leaders of Morning Musume" poll.
- She was voted 6th favorite member in the 2011 Hello! Project Music Awards Event.
- She ranked #28 in Anikan R Yanyan magazine's May 2013 "Singing idol you like the most".
- She ranked #2 in Ichiban song show's 2013 "Top 5 artists from Fukui prefecture".
- She ranked #5 by males in My Navi Woman's 2013 "Favorite Morning Musume Members" poll.
- She is close friends with her fellow fifth generation members Konno Asami, Ogawa Makoto, and especially Niigaki Risa.
- She graduated from Hinode High School, a private academy known for its many celebrity students.
- She is highly skilled and trained in classical ballet and singing. She entered a nation-wide competition with her junior high choir.
- On October 7, 1999, she appeared on the "BS Junior Nodo Jiman" singing competition held in Sabae, Fukui and won the Best Stage Award.
- Her photobook 19 held the #1 spot in photobook rankings in 2006.
- Has been a huge fan of Takarazuka since her childhood. She wanted to be a Takarasienne, but gave up on it due to her short height. She is noted by other members for trying to make them watch videos of Takarazuka productions. Her favorite performer is Mizu Natsuki.
- Has personally acknowledged she is not good at talk and interview portions.
- She is the first member of Morning Musume to reach the age of 24 while still in the group (Nakazawa Yuko was already 24 when the group was formed).
- She and Niigaki Risa were the last members in Morning Musume and Hello! Project that joined before Hello! Project Kids.
- In Morning Musume concerts, she was often kissed by Michishige Sayumi.
- She often says that Goto Maki was her senpai whom she always respects, even after Goto moved on from Hello! Project to Avex.
- On December 10, 2010, Mujack called her and former AKB48 member Takahashi Minami "W Takahashi".
- Her last single with Morning Musume, "Kono Chikyuu no Heiwa wo Honki de Negatterun da yo!", was released on her birthday.
- In Yorosen!, she taught other Morning Musume members about the Edo Period.
- She said that if she could become another member of Hello! Project that she would become Sayashi Riho because she'd like people to call her "cute" no matter what she does. Coincidentally, Sayashi said that she would like to become Takahashi as a reply to the same question.
- Has studied English in her spare time for several years. She occasionally writes in English on her blog.
- Her favorite part of English is slang, and she purchased an English slang and profanity guide. She shared her favorite English curse word on an episode of Hello! Morning.
- She is the third Morning Musume and Hello! Project member to graduate at Nippon Bukodan, and she is also the eighth Morning Musume member to graduate from both Morning Musume and Hello! Project altogether.
- For her graduation, she was the first to wear casual clothes instead of a custom dress.
- She is a fan of the Final Fantasy series.
- She has attended the SDN48 graduation concert.
- She had her first love scene during the Wedding Singer stage play in 2013.
- She is a fan of Korean pop groups 2NE1 and Big Bang and has attended concerts for both.
- She is the first 5th generation member to get married.
- As of October 2017, Takahashi's account on the fashion lookbook app WEAR has the most followers with over 1.8 million.
|Leader of Morning Musume
June 2, 2007 – September 30, 2011
|Sub-leader of Morning Musume
May 8, 2007 – June 1, 2007
|Leader of Hello! Project
April 1, 2009 – September 30, 2011
|Longest serving member of Morning Musume
2009 – 2011
|Oldest member of Morning Musume
May 7, 2007 – September 31, 2011
|Oldest member of High-King
2008 – 2011
|Oldest member of Hello! Project
April 1, 2009 – June 6, 2009
|Oldest member of Hello! Project
November 2010 – September 31, 2011
|Hello! Project Shuffle Units|