Brooke de Ocampo.
Revelers lap up champagne at the Longchamp party.
Chloe Pridham and David Gandy at Cartier.
Margo Stilley in Prada.
Stella Tennant and Riley Keough.
Emma Watson in Charles Anastase.
Tom Ford (at right) and his nephew Tomas Diaz, both in Tom Ford.
Margherita Missoni shows off a temporary tattoo by artist Jean-Luc Moerman.
Arabella Musgrave at Cartier.
Claudia Schiffer with Naomi Campbell in Alexander McQueen.