What Happens in Vegas
- Release Date: May 9, 2008
- Genre: Comedy, Romance
- Director: Tom Vaughan
- Producer(s): Michael Aguilar, Jimmy Miller, Shawn Levy
- Writer(s): Dana Fox
- Studio: 20th Century Fox
- Length: 1h 39m | Classification: G
- Official Site: www.whathappensinvegasmovie.com
