Photo: Jemal Countess/Getty Image1/12Ansel Elgort in Louis Vuitton
Photo: Eugene Gologursky/Getty Images for Moet Chandon2/12Matthew Morrison and Laura Michelle Kelly in Marchesa
Photo: Jemal Countess/Getty Image3/12Christoph Waltz
Photo: Eugene Gologursky/Getty Images for Moet Chandon4/12Kelsey Grammar and Harvey Weinstein
Photo: Bruce Glikas/FilmMagic5/12Olivia Wilde in Marchesa and Georgina Chapman