Rock On: Secret Celebrity Musicians!

Anne Hathaway! Halle Berry! Johnny Depp! See which Hollywood stars moonlight as musicians

NICOLE RICHIE

Having singer Lionel Richie as a dad and pop icon Michael Jackson as a godfather, Richie would be hard-pressed not to be influenced by music! She grew up studying the guitar, cello, violin and piano – and even founded the girl band Darling. But the busy designer turned author mom won't be releasing an album anytime soon. "I do eventually [want to record an album]," she told PEOPLE, "but right now I have a lot on my plate."