The Serpentine Gallery Summer Party Co-Hosted By Brioni - Inside [Getty Images]

LONDON, ENGLAND - JULY 01: Princess Beatrice of York (L) and Princess Eugenie of York attend The Serpentine Gallery Summer Party co-hosted by Brioni at The Serpentine Gallery on July 1, 2014 in London, England. (Photo by David M. Benett/Getty Images for The Serpentine)

Getty Images Entertainment David M. Benett