Pitt memo prank the only one that 'got' Clooney

Brad Pitt is the only person to have successfully pranked George Clooney.

The ‘Ides of March’ actor is known for playing tricks on his co-star, and despite many of his showbiz friends being equally enthusiastic about jokes, only the ‘Moneyball’ star has succeeded in annoying his pal with a gag.