Advertisement'The Hangover': A Night To (Not) RememberJune 04, 2009Mark JenkinsfacebookEmailDumb, Dumber, Drunk And Drunker: Alan (Zach Galifianakis), Phil (Bradley Cooper), Stu (Ed Helms) and Doug (Justin Bartha) head to Sin City with plans for an off-the-hook stag party in Doug's honor. (Warner Bros. Pictures)
