Laura Carmichael, Pixie Lott and Melissa George were also among the guests.
The event is being held in association with Yu Capital and Fashion Illustration Gallery founder William Ling.
The evening featured performances by multimedia artist Brian Kenny and female impersonator Laurent “Lola” Mercier.
The ballet company’s director of dance attended a Swarovski cocktail following a performance of George Balanchine’s “A Midsummer Night’s Dream.”
As Dior and Schiaparelli mark anniversaries, Versace has canceled its Atelier Versace couture show in favor of client events.
There are now 15 fashion houses with the elite credentials, which carry stringent requirements.