Jamie King and Emma Roberts Stand Up to Cancer and More!
Jamie King (in Valentino) welcomed Emma Roberts to the Soho House in Los Angeles for the Saint Vintage Designs launch event she co-hosted to benefit Stand Up To Cancer. "Thanks for all the support!" King later Tweeted to her guests. Click through the photos to see Heidi Klum, Charlize Theron and more stars at last night's hottest parties!