'The Hangover' sequel ready to go: Cooper

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The film was one of 2009's biggest hits and the stars of the movie - Cooper, Ed Helms, Zach Galifianakis and Justin Bartha - felt a sequel would be a good idea, contactmusic.com reported.

"The four of us got together and toyed around with the idea of where it was going to be and what happens and Todd Phillips came up with this hilarious opening that I hope stays," said Cooper.

The first film was set in Las Vegas.