For her acting debut on Body of Proof
, Crystal Bowersox
says fans will be surprised, but not necessarily because she's playing a character with a rap sheet or acting opposite famous series star Dana Delany
. "I think the mug shot is the gnarliest of all," she tells TVGuide.com. "I took the mug shot myself in a hotel in New Jersey so I'm pretty proud of that." Fans will meet the rougher and tougher side of American Idol
's Season 9 runner-up ...