The Hangover (movie)

The Hangover is a 2009 American comedy movie and the first installment of the trilogy. The movie is directed by Todd Phillips, and stars Bradley Cooper, Ed Helms, Zach Galifianakis, Justin Bartha, Ken Jeong, Heather Graham and Jeffrey Tambor. It follows three men looking for another friend in Las Vegas, before the wedding is cancelled.
Ratings.
The Hangover received mostly positive reviews: