Heather Graham & Zach Galifianakis: 'Hangover Part III' UK Premiere

Heather Graham and Zach Galifianakis hit the red carpet at The Hangover Park III UK film premiere on Wednesday (May 22) held at The Empire Cinema in London, England.

The two co-stars were joined at the event by Justin Bartha, Ed Helms, and Ken Jeong!

The Hangover Part III is set to be in theaters on May 24 – be sure to check it out!

FYI: Heather is wearing a Max Azria dress, Jimmy Choo shoes, and Kara Ross jewelry.

10+ pictures inside of Heather Graham and her co-stars at the premiere of The Hangover Part III…