Bob Geldof rubbed shoulders with former Oasis frontman Noel Gallagher, while star designers Stella McCartney and Donna Karan also attended. Singer Boy George tried his best to hide his face from the paparazzi, while former Stones wife Jo Wood happily posed.
But Kate stole the show, wearing a plunging gold dress with mesh panels around the seams.
She might have settled down -- but Kate still loves a good party.
Kate: The Kate Moss Book was launched at the exclusive 50 St James.