Charlene Choi (born 22 November 1982) is a Canadian-Hongkonger actress and singer. She is a member of Cantopop group Twins, along with Gillian Chung.

Choi was born in Vancouver, British Columbia, Canada. She moved with her family to Hong Kong a few years later. She was educated at a number of institutions. She is fluent in Cantonese, English, and Mandarin.

After graduating from Rosaryhill School, where many other would-be pop stars had attended, she started working full-time as a model in Hong Kong. She was scouted by Emperor Entertainment Group (EEG), and was then linked with Gillian Chung to form the Cantopop group Twins.

Aside from her musical career, Choi has become a successful actress in the Hong Kong film industry, co-starred alongside actors such as Andy Lau, Eason Chan, Jay Chou, Mike He, Wu Chun and Nicholas Tse. She wrote an article describing her acting career:

Earlier, I shared with everyone some of my acting experiences. This time, I want to talk about movies. As an artist, whenever I'm working, I have to show my best side and give my best performance. I have to show the fittest side of me and hence, I'm often in "battle mode". When free, I like to watch slow-paced movies. I can't stand movies with too much excitement. I'm the type who can be easily sucked into the world of the movie. That type of fast-paced movie will end up making me tense and nervous so comedy, romance or movies centered on issues of humanity all suit me better."

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