Jonah Hill & Channing Tatum: Most Fun Party Pals Ever?

Recent Oscar nominee Jonah Hill was living it up at Miami's Set Nightclub with his 21 Jump Street costar Channing Tatum. The guys were drinking Moët champagne and taking shots with friends. Says a source: "[They were] the life of the party." The costars danced to songs by Journey and others, and Hill entertained everyone – especially the female clubgoers – with his comic dance moves until 3 a.m. – Linda MarxNEXT: Gerard Butler Visits Beacher's Madhouse a Week After Rehab