The Hilton Sister's At Paris' Show Premiere

Kim Richards, Paris Hilton, Kathy Hilton, and Kyle Richards arrive at the premiere of Oxygen's new docu-series "The World According to Paris" at Tropicana Bar at The Hollywood Roosevelt Hotel on May 17, 2011 in Los Angeles, California. Also pictured, Mauricio Umansky.Credit: ZimbioPhotos by Jason Merritt/Getty Images North America