The Hangover Part III: Heather Graham Grills Bradley Cooper, Ed Helms &...

The Hangover Part III: Heather Graham Grills Bradley Cooper, Ed Helms & Zach Galifianakis

Access’ special guest correspondent Heather Graham interviews her co-stars from “The Hangover” — Bradley Cooper, Ed Helms and Zach Galifianakis — about what makes them so funny. Also, why doesn’t Bradley take off his shirt in the movie? Plus, Zach talks about meeting his Vegas impersonators.