Hottest Bachelors 2009

The Dirty Dozen: Hollywood's Naughtiest Bachelors

John! Leo! Brody! See how these notorious playboys make being bad look so good

KEVIN CONNOLLY

Just call him Leo's wingman! The Entourage star – who has dated Nicky Hilton and was linked with Haylie Duff at one time – is an avid clubgoer, making the scene with pals like Lukas Haas at hot spots like Crown Bar and Hyde.