When Beyoncé Knowles plays at LA's Staples Center, her celebrity fans come out in droves! Last night's stop on her Mrs. Carter Show World Tour brought out her famous admirers Robert Pattinson, Selena Gomez, and Nicole Richie, just to name a few. We're recapping the many stars at Beyoncé's performance, and looking forward to what will be a big week for her and her husband Jay-Z with the upcoming July 4 release of his Magna Carta Holy Grail!">