Hangover Part 3 trailer released, watch below.  The Hangover Part III first teaser trailer has premiered. Bradley Cooper, Ed Helms, and Zach Galifianakis are back, with the action returning to Las Vegas.  The Hangover 3 trailer starts with Alan (Zach Galifianakis) singing angelically at his father’s funeral, which confirms director Tod Phillips’ statements about the film previously.   Phil (Bradley Cooper) and […]

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