It turns out rapper Eminem knew he was going to get an ass in his face at the MTV Movie Awards over the weekend. The ass belonged to Sacha Baron Cohen who descended from the ceiling on a wire in a fake mishap and landed on Eminem.

Enimem told the Web site RapRadar.com that the much-talked about stunt was all rehearsed, right down to Eminem’s mock disgust.

“I’m thrilled that we pulled this off better than we rehearsed it,” he said.

Eminem says after his dramatic exit, he went back to his hotel and laughed for several hours, including as he watched the playback of the show.

Eminem says he is a “big fan” of Baron Cohen who he said approached him about the gag while he was in Europe. They even posed for a photo together the day before the awards show.