It was a night of fabulous fun for Britain's finest including the likes of Rita Ora, Suki Waterhouse, and Keira Knightley [1]. The A-listers of London stepped out to celebrate famed photographer Mario Testino at his 60th birthday bash on Wednesday. The flamenco-themed event, which took place at the Chiltern Firehouse, drew a number of stars who looked ready for a spin on the dance floor. Naomi Campbell [2] and Kate Moss [3] (who has really been partying it up lately [4]) competed for best cleavage, while Sienna Miller [5] showed off her fancy party dress. Read on to see the sexy stars who stopped by to honor their friend Mario.

Getty / Mark Robert Milan [6]