Prank Post

Matt Damon and Prankster George Clooney
Costars in the movie Monuments Men and a practical joke.

While the two were filming the World War II flick, Damon told the notorious prankster that he was trying to lose weight. Clooney's response? A caper that involved the wardrobe department giving Damon's costumes a little extra attention.

"He took in my wardrobe by an eighth of an inch, every other day," Damon, 43, told People at a press junket last week. "[He] had the wardrobe department do that because he knew that I was trying to lose weight.

"This was a job where I would go back to New York, where I was living with my family, and I would come back [to film in Europe] for two weeks," Damon continued. "And then I'd go back to New York, and every time I came back my pants were tighter, and I was like, 'Ugh, this is weird. I've been going to the gym!'"

Pretty good stunt, I suggest.