Hangover 2's Monkey Steals the Red CarpetCrystal the capuchin mugs for the cameras in a little pink dress

Credit: Juan Rico/Fame

Updated: Monday May 23, 2011 | 06:00 AM EDT By: Reporting by Michelle Ward

More from PEOPLE

9 of 10

BELIEVE IT OR NOT

And the compliments just keep coming. "You know, Crystal has turned out to be just a miracle monkey," Bradley Cooper said at a press conference for the film. "She's incredible. She can do anything."