Her father was a descendant of a prominent Macanese family of Portuguese-English heritage, and her mother is Chinese. At age 12, Leong dropped out of school and signed a contract with Emperor Entertainment Group as a teenage model.
She later began singing and released her debut album, Isabella when she was 16 years old. Isabella did not achieve the success hoped for and Leong subsequently debuted with acting. From 2005 to 2007, she made a string of films including The Eye 10 Bug Me Not!, Isabella, Diary, and Spider Lilies.
Leong won her first American film role in The Mummy: Tomb of the Dragon Emperor, which was released in 2008.
(Source: Wikipedia)