Celebratiey beauties at the opening of the Prada and Schiaparelli exhibition

Rihanna wore a Tom Ford autumn/winter 2012-13 backless gown with Christian Louboutin heels.

Cara Delevingne and Jourdan Dunn - who both wore dresses by Burberry Prorsum.

Joan Smalls - wearing Balmain - with the designer Olivier Rousteing.