'The Hangover II': Bradley Cooper, Ed Helms on the sequel

The Hangover set the box office alight in 2009, pulling in a colossal $460 million and making stars out of Bradley Cooper, Ed Helms and Zach Galifinakis. Its sequel, The Hangover Part II, debuted in cinemas this week and takes the action to the chaotic setting of Bangkok.

Cast members Cooper, Helms, Ken Jeong, Justin Bartha, Jamie Chung and director Todd Phillips stopped off in Berlin this week to discuss making the eagerly-awaited follow-up in Thailand, working with monkey Crystal and the huge success of the series.

> The Hangover Part II review
> Watch a behind-the-scenes Hangover II video
> New Hangover II posters unveiled

Watch The Hangover Part II video interview below: