Ella ChenElla Chen

In 2002, Ella Chen made her first venture into drama, taking the lead female role in the television series "愛情大魔咒." In 2003, S.H.E won Best Vocal Group at the Golden Melody Awards for "美麗新世界"; that year, Ella Chen also appeared in the television series "薔薇之戀," which won the Audience Choice Award for Most Popular Drama Program and was nominated for Best Television Series at the 39th Golden Bell Awards for 2004. In 2006, Ella Chen was nominated for Best Leading Actress in a Television Series at the 41st Golden Bell Awards for "真命天女" and played the female lead in the television series "花樣少年少女," which premiered in Taiwan that November. On August 24, 2007, she released the self-written charity EP "薔薔紀念EP" in memory of her pug, "薔薔"; Ella Chen wrote and composed every song on the EP and performed them solo, and all proceeds were donated to "流浪動物之家." In 2009, she starred with 言承旭 in the television series "就想賴著你," which premiered in January 2010. In 2010, Ella Chen won Best Radio Station ID at the Golden Bell Awards for "S.H.E－917在一起."

Ella Chen has also composed music for radio and other singers: she wrote a station song for Taiwan's Pop Radio 91.7, composed "再这里" for 黃義達, and composed "鸟" for Yao Yao.

In the second half of 2010, the members of S.H.E began pursuing individual careers under the principle of "going solo without disbanding," with Ella Chen moving into film. She made her first foray into movies in 2011, beginning work on "女孩壞壞" in April and joining the cast of 朱延平's "新天生一對" in May; "新天生一對" and "女孩壞壞" were released in January and April 2012, respectively. On March 30, 2012, Ella Chen released her first solo mini-album, "我就是...," featuring the theme song, insert songs, and ending song from "女孩壞壞," as well as her composition "厚臉皮," the film's ending song "我就是我," and a chamber-music version of "你被寫在我的歌裡," a duet with 青峰. In 2012, Ella Chen and Sodagreen won Hito Duet Song of the Year at the Taiwan Hito Pop Music Awards for "你被寫在我的歌裡." According to the Chinese Wikipedia, Ella Chen married in Taipei on May 5 that year. On June 23, she and the other two members of S.H.E performed at the 23rd Golden Melody Awards, singing her solo song "壞女孩" and S.H.E's "SHERO" and "Super Star" and announcing S.H.E's return.

In April 2013, Ella Chen co-hosted "王子的約會" with 庾澄慶; the following year, they were nominated for Best Variety Show Host at the 49th Golden Bell Awards for the program. In September 2014, Ella Chen joined 江豐宏's film "缺角一族"; on November 22 that year, she co-hosted "第51屆金馬獎" with 黃子佼, her first time hosting a major awards ceremony. "缺角一族" was released on May 15, 2015, and selected for the competition section of the 11th Osaka Asian Film Festival in March 2016; Ella Chen won the Yakushi Pearl Award (Best Performer) for the film, her first film award.

On April 17, 2015, more than ten years after her debut, Ella Chen released "Why Not," her first solo studio album under her own name. On June 7 that year, she held her first solo concert, "你正常嗎?" at Legacy Taipei, with further concerts in Beijing and Guangzhou in August and December, respectively. That September, Ella Chen made her stage debut in the Performance Workshop's 30th-anniversary play "愛朦朧，人朦朧," adapted from the French comedy "Le Jeu de l'amour et du Hasard." It premiered in Taoyuan on September 26 and 27, toured 11 cities in 27 performances, including Taipei, Shanghai, and Chongqing, and concluded in Tainan on January 23 and 24, 2016. She released the single EP "渾身是勁" (Me vs. Me) on October 28, 2016, in a limited edition of 2,016 copies.

On October 3, 2017, Ella Chen established "勁樺娛樂" to manage activities including her performing career, music performances, record production and distribution, and concert production. In April 2018, she served as a vocal coach on Tencent Video's youth-development variety program "創造101." According to the Chinese Wikipedia, Taiwan media reported on July 10, 2018, that Ella Chen would not renew her management contract with HIM International Music when it expired that year and that her husband, 賴斯翔, would take over her management; it was later confirmed that all three members of S.H.E would not renew their management or recording contracts with HIM International Music and would establish their own operations. "ELLA陳嘉樺X艾拉秀·娛樂無限" ran for two consecutive days at Taipei Music Center on November 14 and 15, 2020. Beginning December 19, Ella Chen and 李玉璽 co-hosted the large-scale family cooking competition "鴻門家宴" on Star Chinese Channel.

Ella Chen appeared in the film "聽見歌再唱" in 2021 and "野夏天" in 2022; she appeared in the television series "生命捕手" in 2023 and starred with 楊謹華, 楊祐寧, and 王柏傑 in the television series "今夜一起為愛鼓掌" in 2024.

On August 20, 2022, Ella Chen held the solo concert "ELLA Show: Entertainment Unlimited" at Kaohsiung Music Center. Beginning in April 2023, she took part in the recording of "乘風2023," whose first episode premiered in May; the final, "乘風之夜," aired on July 21, and Ella Chen placed first to win the Ride the Wind Annual Champion title. Her second studio album, "BAD HABITS," was released digitally on March 31, 2024, and physically on April 1; in 2025, Ella Chen won Most Popular Female Singer at the Hito Pop Music Awards for "BAD HABITS." On September 10, 2025, she formally announced the "It's Me 艾拉主意" tour and released a promotional video in which she reunited with Selina and Hebe as S.H.E; the tour opened at Helong Stadium in Changsha on November 15, with an additional show on November 16. On July 18, 2026, her film-and-television single "全世界的雨," a duet with 周深, was released as the theme song for the Chinese animated film "八仙！"; the tour's Beijing dates were August 15 and 16 at "华熙生物·润百颜中心."