|Pinyin||Zhèng Xīnyí (Mandarin)|
|Jyutping||Zeng6 Jan1 Ji4 (Cantonese)|
30 May 1987
Vancouver, British Columbia, Canada
|Occupation||Actress, singer, writer, model|
|Label(s)||TVB Music Limited,
Stars Shine International (2010–present)
|Ancestry||Panyu District, Guangdong|
Cheng is the daughter of Hong Kong actor/singer Adam Cheng Siu-chow and comedian Lydia Sum Tin-ha. She has family roots in Taishan (Guangdong) and Shanghai. She is also the god-daughter of Alan Tang. During most of her childhood, she gained media exposure due to her mother. Cheng showed an interest in show business. At 13, she performed a version of Britney Spears' Oops!... I Did It Again, in a Hong Kong charity television program.
Cheng spent much of her childhood in Vancouver, British Columbia, where she attended Crofton House School. She dropped out of Queen's University in Kingston, Ontario, Canada, to spend time in Hong Kong while her mother, Shum, was diagnosed with cancer. Later, Cheng remained in Hong Kong to pursue a music and acting career in Asia.
Cheng has been the focus of a variety of media articles due to her struggles with her weight. At a young age, she was 226.5 lbs. Determined to overcome her weight issues, Cheng started a strict fitness regimen at the age of 16. Her fitness program was recorded in her book, My Weight Loss Diary.
In February 2007, Cheng performed in the Chinese opera, The Grand Stage.
Cheng recorded and showcased her music video, Connected Hearts on an October 2007 episode of the popular Hong Kong television show, Enjoy Yourself Tonight.
Cheng released her debut album on 6 January 2011.
On 10 May 2008, Joyce performed a part originally played by her mother, in a performance from Lai Fa Palace during the 2008 Po Leung Kuk Charity Gala. Joyce will be doing charity work to mark this year's Mothers Day, the first since her mother died.
Recently, Joyce took part in the 512 Fundraising Campaign to help support the victims of the Sichuan disaster. Joyce spoke on stage about how a young mother in Sichuan had sheltered her baby from the falling rubble with her own body and remarked on how noble this self-sacrifice was. She said that she had just experienced her first Mothers Day without her own mother, but she knows that wherever her mother is, she will still be supporting her. She felt that in the same way, this young mother will still be supporting her child because the love of motherhood is great until the end. She hopes that the orphans will remember this and grow up as happy person.
On 25 July 2008, Joyce took part in a live radio show with fellow Hong Kong artiste Hins Cheung (張敬軒). The radio show was part of Ming Pao Weekly's 40th birthday celebrations. During the outside broadcast on Metro Radio, Joyce and Hins sang an English a Capella duet live. The response from fans was overwhelmingly positive. Hins praised Joyce's musical talent and added that he hopes they will be able to perform together on stage in the future.
In September 2008, Cheng launched her acting career on the hit TVB sitcom "Off Pedder" (畢打自己人）. Cheng's character, Joyce Yu, was a recurring role on the sitcom which ran for 337 episodes. Cheng also sang the ending theme to the show, "No One Is Perfect" (無人完美）.
In March 2010, Cheng began filming a twenty episode drama with TVB, playing the sidekick to famed TVB actor Bosco Wong in the drama "Isolated Seven Day Romance" (隔離七日情（暫名））.
On 2 July 2010, Cheng signed to the Record Label, Stars Shine International Limited (星煥國際有限公司）.
On 31 July 2010, Cheng guest-starred in "Off Pedder" fellow co-star, Cholam Wong (王祖藍）'s first stage show at the Queen Elizabeth Stadium. Cheng performed in all three of the sold out shows and wowed audiences with her comedic ability.
|2010||72 Tenants of Prosperity||Shanghaiese Woman|
|2011||I Love Hong Kong||One of the twins|
|2012||I Love Hong Kong 2012|
|2012||My Sassy Hubby|
|2013||I Love Hong Kong 2013|
|2014||Huat Ah! Huat Ah! HUAT!||Xiao Ping|
|2015||12 Golden Ducks|
|2015||Imprisoned: Survival Guide for Rich and Prodigal|
|2015||Guia in Love|
|2016||Special Female Force|
|2008–2010||Off Pedder||Yu Lok-Yee (Joyce)|
|2011||7 Days in Life||Tong Ching|
|2017||Oh My Grad||Du Dehui|
|Year||Album information||Track List||Additional information|
Date: 6 January 2011
2011: Golden Song in Jade Solid Gold 1st Round Election (for the song 半份關心)
2011: Ming Pao Anniversary Award for Outstanding Discography
2011: Ming Pao Anniversary Award for Outstanding Female Singer (for the song 有故事的人)
2011: 新城勁爆原創歌曲 (for the song 半份關心)
Date: 31 October 2011
|2011: 叱咤樂壇生力軍（銅獎）(for the songs 半份關心, 配角 and Make Me Cry)|
- On 2005-09-11. The opening ceremony was publicised on Hong Kong public television. Controversially, her part as Snow White sparked many telephone complaints to the television network as they said because of her weight, she caused emotional discomfort to the audience. This story was commented by many actors and comedians.
- 2006-10-06, at 7:30pm, during that year's Mid-Autumn Festival.