BY Via Harper’s Bazaar US /
Oct 12 2015 /
Eva Cavalli called upon her closest and chicest friends from Kendall Jenner to Cara Delevingne and Sienna Miller to help her celebrate her birthday at One Mayfair, formerly St. Mark’s Church and now one of London’s most in-demand event venues. Guests attended the glamorous bash in masquerade style—click through to see all the best looks.
Kendall Jenner, Cara Delevingne and Poppy Delevingne