The Hangover Part II an exotic location. That's all I know". In January 2010, Phillips dismissed rumors that Zac Efron would join the cast of "The Hangover 2", though Ed Helms stated that Efron would be a welcomed addition, commenting, "I love that guy. He's actually really funny". In March 2010, Phillips denied reports that the film would take place in Mexico or Thailand stating, "I don't know. There's a lot of rumors. There was rumor also that it was going to Mexico or something and neither are true". Also by March, Galifianakis, Helms, Bradley Cooper, and Justin Bartha completed negotiations and signed deals
The Hangover Part III 20 and 21, a stretch of California State Route 73, a toll road in Orange County was closed for filming. At the end of the month, production moved to Las Vegas for several weeks of filming. Principal photography concluded in Las Vegas on Friday, November 16, 2012. The Hangover Part III: Original Motion Picture Soundtrack is the soundtrack of the film. It was released on May 21, 2013. Other songs featured in the film but not on the soundtrack include "Hurt" by Nine Inch Nails, "The Stranger" by Billy Joel, "N.I.B." by Black Sabbath, "Dark Fantasy" by Kanye West, "In