Rock On: Secret Celebrity Musicians!

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

ZOOEY DESCHANEL

The (500) Days of Summer actress originally pursued a different career: "I started out doing musical theater," she told PEOPLE. "I've had 15 years of voice training." Deschanel, performing as the "she" in the folk duo She & Him, also plays the keyboard, banjo and ukulele.