They have to say The Hangover II is funny.

By May 27, 2011 10:18 am ET

NEW YORK, NY – MAY 23: Actor Ed Helms, actor Zach Galifianakis, actor Bradley Cooper, and director Todd Phillips attend the after party for the Cinema Society & Bing screening of “The Hangover Part II” at The Top of The Standard on May 23, 2011 in New York City. (Photo by Stephen Lovekin/Getty Images)