The bezzies had spent the evening downing vodka in the VIP area of Beyonce's London show before heading to Fran Cutler's 50th birthday bash at the celeb haunt in Soho.
Despite the 'Lucky Bitches' themed night, Cara opted for a light blue suit, cropped 'Tokyo' t-shirt, beanie and shades while Rita kept it all white in a matching dress, boots and a plastic coat.
After a hard night's partying the pair needed a little help from the club's security team to guide them to an awaiting cab.
Other celebs at the bash included Kate Moss, Stella McCartney and Pixie Geldof who kept to the theme - based on French & Saunders' sketch about Joan and Jackie Collins - by dressing up in outfits that wouldn't have looked out of place on Dynasty.
After last night, Cara's given us a few more snaps to add to our 'Cara Delevingne Crazy Faces' gallery...