New Celebrity Pictures: All The Hottest Weekend Outfits

Perez Hilton partied in style at his 33rd birthday blue ball party in LA with Dita Von Tesse, Pixie Lott and Selena Gomez rocking their hottest blue outfits. While over in London, Sarah Harding, Keira Knightley and Lily Cole looked picture-perfect in a selection of ultra-glam dresses at the Empire Awards 2011.