Beginnings and Sony Music: 1993–1998 In 1993, Lee returned to Hong Kong to visit her sisters. While there, she took part in the 12th annual
New Talent Singing Awards and was the first runner-up, singing
Whitney Houston's
Run to You. The following day,
Capital Artists offered her a recording contract. She made her debut on compilation albums such as ''Red Hot Hits '93 Autumn Edition'' (
zh). Her English-language cover album '
and her third Mandarin album, ', came out the following year. the only one she ever recorded in that language. In 1998, her Mandarin album '''' came out, selling one million copies in less than three months. on "Weekend Commander/周末霸王" at
Channel V, 1998. In August 1998, Lee performed in Taiwan to an audience of more than 50,000 fans. The next year, she performed in a "
Michael Jackson and friends" charity concert and later released the Mandarin album ''
. Later that year, under 550 Music, she released her first English album of original songs, titled Just No Other Way, which included the hit "Do You Want My Love". making Lee the first Chinese singer to break into the American market. Her love song "Before I Fall in Love" was included in the soundtrack to the movie Runaway Bride''. She also recorded the duet "Can't Get Over" with
Kelly Price. Lee recorded the charity singles "We Meet the Future" and "Hand in Hand" for
SARS with other artists, including
Wang Leehom,
Stefanie Sun,
Elva Hsiao, and
Jolin Tsai. In 2001, Lee sang the song "
A Love Before Time" for the movie
Crouching Tiger, Hidden Dragon, which she performed at
the Oscars. The track placed at No. 35 on the Taiwan Yearly Singles Top 100 chart that year. In 2002, Lee released the remix album
D. Is Coco (
Dance Is Coco). She also sang an anti-tobacco song called "From the Beginning 'til the End" (煙絲萬縷) with singer
Jacky Cheung. She also sang the anti-racism song "A Dream of One" with Korean singer
Park Jin-young. In 2003, she performed with
Shaggy at the
MTV Asia Awards in Singapore and also hosted the show with him. Lee co-starred in the Chinese comedy movie
Master of Everything (自娱自乐) with
John Lone, which won the Best Foreign Film award at the 2005
Beverly Hills Film Festival.
Second English album and Warner Music: 2005–2011 In 2005,
Sony BMG released Lee's second English album,
Exposed. It was banned in mainland China for "sexy" lyrics in a few songs, such as "Touch" and "So Good". Lee's next Mandarin album, '''', came out on 22 September 2006. In 2008, she was chosen to sing one of the
Summer Olympics songs, "
Forever Friends", alongside
Sun Nan. As the first Asian singer to perform at the
Walt Disney Concert Hall in Los Angeles, Lee had a solo concert there in July 2009, singing some of Michael Jackson's songs in homage to her idol. On 14 August 2009, she released a new Mandarin album, ''
, with Warner Music Group. It includes the song "Turn" (流轉), which was on the soundtrack to the film The Legend of Silk Boy. Lee also recorded the song "Smile Shanghai" (微笑上海), with artists including JJ Lin, Andy Lau, Jam Hsiao, and Jane Zhang, for the Shanghai World Expo 2010. On 27 March 2010, she began her East2West World Tour at Taipei Arena, in Taiwan. She performed at the Encore Theatre in Wynn Casino in Las Vegas on 3 and 4 July, then at the Singapore Indoor Stadium on 2 October and in Nanning on 16 December. In March 2011, Lee was one of many artists who participated in the recording of the Artistes 311 Love Beyond Borders'' official theme song, "Succumb Not to Sorrow" (
不要輸給心痛), on the Cantonese version. On 7 April 2011, her song "Dreams on Oriental Seas" (梦在东方的海上), featuring Sun Nan, was broadcast. It was named as the theme for the 14th
FINA World Championships, which took place in Shanghai on 16 July.
New album and final projects before death: 2011–2023 On 8 June 2011, Lee announced that she had set up her own recording studio. On 25 June, her song "
Four Seas Alliance" (四海盟約), the theme for the 2011 China television drama
All Men are Brothers, was broadcast. On 17 December, she performed at the Booey Lehoo Concert in Beijing with
will.i.am and
apl.de.ap from
the Black Eyed Peas as well as with
John Legend and
Shunza. Her next album, ''
, was released on 31 May 2013 by Universal Music. She later returned as a guest singer for two more seasons: in the fifth season, during the biennial concert, and in the sixth as a guest performer for Jessie J, the eventual winner of that season. In 2020, she announced that she was going to re-record the Mandarin end-credits version of the song "Reflection" for the live adaptation of Mulan'', as she had already done in 1998. In September 2022, Lee was a coach during season 7 of the show
Sing! China. She had a dispute with the management, questioning the fairness of the judges during the competition. In an audio recording that was leaked only after her death, she commented that the production team retaliated against her during the show's final episode. Lee, who was about to undergo surgery on her left leg, alleged that a sudden placement change caused her to stand alone in her heels and later fall during a duet. She described the experience as "humiliating", since her health issues had been largely concealed from the public. She also said that the production team refused to give her mentee Feige a chance to return to the stage unless Lee wrote a
Weibo post, to which she complied so that Feige could showcase his talent again. In 2023, Lee was digitally animated using
motion capture for the
virtual reality interactive concert Millennium Realm (千禧之境) on the
Pico VR video platform. ==Philanthropy==