Dennis Quaid: Are You Ready to Rock?!

4/17/2009 2:45 AM PDT
Dennis Quaid is a bona fide rock star. Yes, that Dennis Quaid.

Dennis and his band, The Sharks, performed at Aqua Lounge Wednesday night in L.A. -- and his overly enthusiastic, sweat fueled performance was more convincing than any moment in "The Day After Tomorrow."