Nicole Richie, Paris Hilton party in Hollywood

Slideshow posted in Entertainment News | Wednesday, June 22, 2011

4 of 5: Sisters Paris and Nicky Hilton appear at the I 'Heart' Ronson bowling party, presented by Svedka Clementine Vodka, at The Spare Room at Hollywood's Roosevelt Hotel on Tuesday, June 21, 2011. The event was held to support designer Charlotte Ronson as she debuted her Summer Sportswear Collection. ( Photo / WireImage)