Parties! The style, stars and scoop from Hollywood's hottest events

"I do have heels on, but I'm trying not to put my weight on one foot. It still hurts a little bit but I'm going to have to bear with it for tonight," Rihanna said on the red carpet, which snaked through the Palms casino. Still, the R&B princess—who started off the night with a win for Monster Single of the Year—promised not to disappoint her fans." It's gonna be a surprise performance, very rock and roll," the "Umbrella" singer said.