The Hangover (2009) http://www.imdb.com/title/tt1119646/ Marry | | 1 | 3 Directed by Todd Phillips. With Bradley Cooper, Ed Helms, Zach Galifianakis. A Las Vegas-set comedy centered around three groomsmen who lose their about-to-be-wed buddy during their drunken misadventures, then must retrace their steps in order to find...