Known prankster George Clooney brought his A game to the Berlin Film Festival photocall for Hail, Caesar! on Thursday, where he had the entire cast in stitches. George had a little help from tap-dancer extraordinaire Channing Tatum to get an unsuspecting Josh Brolin laughing so hard he was nearly on the floor, and even the regal Tilda Swinton couldn't help but crack a smile. Keep reading to see more photos of the cast goofing off, and check out what happened when George and Rihanna played a game of "Never Have I Ever."
The Cast of Hail, Caesar! Can Do Nothing but Laugh at George Clooney's Red Carpet Antics
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