Mariah Carey Wears YSL Leather Biker Jacket, Plays Champagne Pong With Jimmy Fallon

Mariah Carey stopped by Jimmy Fallon's show to promote American Idol and agreed to a game of Beer Pong. But because it's Jimmy's four year show anniversary and because it's Mariah, they played champagne pong instead. Mariah looked fabulous in a black Saint Laurent Paris leather biker jacket and skirt, and Azzedine Alaia cut-out platform stiletto sandals. She warned Jimmy that she failed gym class in high school and didn't go to college, so she never played drinking games. Alas, neither Mariah or Jimmy could land one ping pong ball in the tiny champagne glasses. What does a true diva do when the game is not going well? She changes the rules of the game, of course. It's like the Kobayashi Maru test for True Divas. And Mariah won. Take a look: