Bradley Cooper, Ed Helms and Zach Galifianakis looked dapper in their suits for the world premiere of The Hangover Part II in LA today. In the movie their characters look worse for wear a lot of the time so their scrubbed-up appearances were a very welcome change! They were joined by co-stars Justin Bartha, Ken Jeong and Mike Tyson, while Jamie Chung, who plays Ed’s fiancée, added some glamour to the red carpet. Kristen Bell looked lovely in a two-tone dress and gave a kiss to the drug-dealing monkey in the movie, while other stars who turned up for the comedy include Robert Downey Jr., mother-to-be Alyssa Milano, Sean Combs and Yvonne Strahovski.
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