Cue appearances from the likes of Downton Abbey girls Michelle Dockery and Laura Carmichael, fashion bash regulars Pixie Geldof, Diana Vickers and Jameela Jamil, and a token Saturday in the form of Mollie King.
Champagne was quaffed, canapés were nibbled and much fun was had by all - check out the stylish guest list below and pretend you were there too:




















