It's the London party of the summer season, attracting the creme de la creme of the celebrity circuit, all of whom decked out in this season's hottest labels! British brands proved a firm favourite amongst the evening's glamorous guests, with Cara Delevingne head-to-toe in Mulberry, Suki Waterhouse dazzling on the arm of Bradley Cooper in a Burberry creation and Alexa Chung stepping out in a little black dress by Erdem. Check out our gallery of the top ten best dressed of the night...