Rock On: Secret Celebrity Musicians!

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

ROBERT PATTINSON

Robert Pattinson does more than just act as a brooding vampire for the Twilight series. The heartthrob, who plays both piano and guitar, also contributed music to the Twilight soundtrack, "Let Me Sign" and "Never Think." "I cried the first time I heard the two songs," director Catherine Hardwicke told MTV. "They're deep; they're very soulful."