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

Recent L.A. transplant, Victoria Beckham got in on the evening's fun, teaming up with Chris Tucker to announce Rihanna and Jay-Z's performance. “I am so excited to introduce these next two performers,” Beckham declared. “You listen to R&B and hip hop?” an incredulous Tucker asked. “Yes, I do!” she said.