Teresa Cheung Tak-lan was one of the members of the Four Golden Flowers early in her career, and later became a famous Hong Kong singer in the 1980s. She participated in the entertainment industry since she was a child (stage name Cheung Yuen Yuen 張圓圓). She is also a Catholic.

The song that she sang for the TVB series People in the Net made her famous. She also sang the main theme for the [TVB] series The Return of the Condor Heroes (1983) and three of its subthemes.