So this year Katie obviously decided to make herself as noticeable as possible at the bash by slipping into a bright, bright blue backless dress adorned with some not-so classy matching blue corsages.
Victoria Beckham meanwhile opted for a far less garish outfit when she strolled down the red carpet moments after Katie (and straight to the nearest corner of the venue which was as far away from Pricey as possible, no doubt).
Elsewhere at star-studded party we also spotted Kelly Brook (who was flying the flag for Britain in a striking layered dress), Kelly Osbourne (avec awful purple rinse), Michelle Rodriguez, Hayden Panetierre, Milla Jovovich, Heidi Klum and Nicole Richie…