Gillian Chung (born January 21, 1981) is a Hong Kong-based actress and singer. She is best known as a member of the Cantopop group Twins, alongside Charlene Choi. In 2000, one of the model agencies that Chung worked for as part-time while in HK contacted Chung about a job opportunity offered by Emperor Entertainment Group (EEG). Chung accepted the offer in 2000, became a contracted artist of EEG and underwent training before her debut. In 2001, the management company assigned her to form a singing duo, Twins, with .