This Zach Galifianakis Doppelgänger Lives 'Hangover'-Style In Vegas For Real

He fools Sin City tourists, parties every night (on their dimes) and even uses his celebrity resemblance to pay the rent.

A Brief History of Drinking in the Movies

The Most Horrifying 'Hangover'

Infographic: Proof That 'The Hangover' and '21 and Over' Are Basically the Same Movie

Here Are the Most Attractive Movie Choices in Internet Dating

'Hangover Part II': The Reviews Are In!

'The stock dismissal 'more of the same' has rarely been more accurately applied to a sequel,' one reviewer writes.

'Hangover Part II' Trailer: Five Key Moments

First full trailer shows return of Ken Jeong as Leslie Chow.

'Hangover Part II' Trailer: The Five Coolest Moments

From the monkey on Bradley Cooper's back to Ed Helms' tribal face tattoo, we can't wait to hit this destination wedding.

Lindsay Lohan Singles Out 'The Hangover' For Best Movie

'It was actually on the other day at my apartment,' the actress says at the MTV Movie Awards.

'Hangover' Director Promises To Bring Back Mike Tyson For Round Two

'I've got to find something for him, because he's been texting me,' Todd Phillips says of Iron Mike.

'Avatar' Vs. 'New Moon': Who Will Be MTV Movie Awards' Best Movie?

Front-runners are joined by 'Alice in Wonderland,' 'Harry Potter' and 'Hangover.'

Bradley Cooper Says Zach Galifianakis Is The 'Toughest Guy' At 'A-Team' Premiere

MTV Movie Awards nominee says not even his 'A-Team' co-stars could go toe-to-toe with bearded 'Hangover' actor.

Zach Galifianakis Weighs His Odds Of Winning An MTV Movie Award

'The Hangover' star pokes fun at his competition.

'The Hangover,' 'New Moon,' 'Avatar' Lead 2010 MTV Movie Awards Nominations

Voting begins Wednesday for the MTV Movie Awards, which air live on MTV June 6.

Justin Bartha Clears Up Zac Efron 'Hangover 2' Rumors

'I do know a little bit about it, yeah,' Bartha says on the Golden Globes red carpet of sequel details.

'Hangover,' 'Up' And More Of The Summer's Biggest Box-Office Hits

'Harry Potter and the Half-Blood Prince,' 'District 9,' 'Star Trek' and 'The Proposal' also cleaned up.

'Harry Potter And The Half-Blood Prince' Takes Box-Office Crown

'Ice Age,' 'Transformers' round out the top three.

'Transformers,' 'Ice Age' Tied For Holiday Weekend Box Office Crown

'Public Enemies' debuts in third, with 'Proposal' and 'Hangover' rounding out top five.

'Transformers: Revenge Of The Fallen' Tramples Box Office Competition

Moviegoers also accepted 'Proposal' again, putting romantic comedy at #2.

'The Hangover' Hangs Onto #1, As 'Pelham 1 2 3' Takes Third

'Up' stays at #2 at the weekend box office, while Eddie Murphy's 'Imagine That' disappoints at #6.

'The Hangover' Stars Reveal Five Behind-The-Scenes Secrets

Check out these little-known details, from Heather Graham's deleted scene to Zach Galifianakis' shocking photo.

'Hangover' Beats 'Up' In Box-Office Recount

Will Ferrell's 'Land of the Lost' will likely go down as one of summer's biggest flops.

Review: The Hangover Leaves You Feeling Refreshed

'The Hangover' Stars Aren't As Reckless As Their Wild Characters

'I really haven't done anything nearly as racy as most of what's in the movie,' Ed Helms says.