Rock On: Secret Celebrity Musicians!

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

STEVE MARTIN

The wild and crazy guy is also a country star, having scooped up a Grammy earlier this year for his exceptional banjo plucking skills on The Crow – New Songs for the Five-String Banjo. "This bluegrass collection is an almost entirely serious affair," Entertainment Weekly said in its review. "The result is a rare album by a moonlighting movie star that doesn't make its creator look like a jerk."