Execs from Hermès, Hugo Boss, Printemps and other companies gathered at SKP to sip prosecco and tour the mall.
Francesco Risso will become creative director of the label.
The designer will present his fall 2017 men’s collection on Feb. 1.
The exhibition tracing the career of the fashion maverick is to arrive in Paris in April 2015.
She succeeds Marie Lannelongue, who has headed the magazine since its launch in France in 2004.
Guests including Tom Ford, Sarah Burton, Mario Testino and Amanda Wakeley crowded into The Wolseley on London’s Piccadilly on Thursday.