2014 Metropolitan Museum of Art Costume Institute Benefit
Beyonce and Jay Z, both dressed in Givenchy. (Charles Sykes / Invision/Associated Press)
Vogue editor Anna Wintour in Chanel Couture dress. (Evan Agostini / Invision/Associated Press; Justin Lane / EPA)
Actress Jessica Alba in a lace dress by Diane Von Furstenberg. (Evan Agostini / Invision/Associated Press)
David Beckham, left, is wearing Ralph Lauren with wife Victoria Beckham in a dress from her namesake collection. (Charles Sykes / Invision/Associated Press)
Actress Marion Cotillard, wearing Dior. (Justin Lane / EPA; Evan Agostini / Invision/Associated Press)
Actress Lena Dunham wearing a dress by Giambattista Valli. (Justin Lane / EPA; Evan Agostini / Invision/Associated Press)
Singer Taylor Swift in an Oscar de la Renta gown. (Charles Sykes / Invision/Associated Press)
Actress Lupita Nyong’o in a custom Prada dress with glass bead and feather embellishments. ( Evan Agostini / Invision/Associated Press; Larry Busacca / Getty Images )
Actress Sarah Jessica Parker in a gown by Oscar de la Renta. (Charles Sykes / Invision/Associated Press)
Actress Kirsten Dunst, wearing a Star Wars-themed dress from Rodarte. (Evan Agostini / Invision/Associated Press)
Actor Andrew Garfield, wearing Band of Outsiders. (Evan Agostini / Invision/Associated Press; Justin Lane / EPA)
Actors Blake Lively and Ryan Reynolds. Lively is wearing a dress from Gucci. (Charles Sykes / Invision/Associated Press)
Kim Kardashian and Kanye West, both dressed in Lanvin. (Justin Lane / EPA)
Actress Zoe Saldana wearing a dress by Michael Kors with black cashmere halter bodysuit and sculpted skirt. (Justin Lane / EPA; Charles Sykes / Invision/Associated Press)
Actress Michelle Williams in a Louis Vuitton dress. (Justin Lane / EPA; Evan Agostini / Invision/Associated Press)
Actor Hugh Jackman and wife Deborra-Lee Furness. (Justin Lane / EPA)
Actress Hailee Steinfeld is wearing a dress by Prabal Gurung. (Evan Agostini / Invision/Associated Press; Charles Sykes / Invision/Associated Press)
Actors Sean Penn and Charlize Theron. Theron is wearing a dress by Dior. (Justin Lane / EPA)
Actress Anne Hathaway in a dress from Calvin Klein. (Justin Lane / EPA)
Actress Kristen Stewart, wearing a dress by Chanel. (Evan Agostini / Invision/Associated Press; Justin Lane / EPA)
Actress Lea Michelle, wearing Altuzarra. (Evan Agostini / Invision/Associated Press; Justin Lane / EPA)
Model Gisele Bundchen wears a dress by Balenciaga with husband Tom Brady. (Charles Sykes / Invision/Associated Press)
Actress Monica Bellucci. (Justin Lane / EPA)
Actress Rachel McAdams in a pale pink Ralph Lauren evening dress. (Justin Lane / EPA)
Nicole Ritchie, wearing a dress by Donna Karan. (Evan Agostini / Invision/Associated Press)
Actor Neil Patrick Harris and David Burtka. (Evan Agostini / Invision/Associated Press)
Cara Delevingne, from left, Stella McCartney, Kate Bosworth and Reese Witherspoon. (Charles Sykes / Invision/Associated Press)
British model and actress Suki Waterhouse in a pink dress by Burberry with a Roger Vivier clutch. (Evan Agostini / Invision/Associated Press; Charles Sykes / Invision/Associated Press)
Actress Emmy Rossum wearing a Carolina Herrera dress. (Justin Lane / EPA)
Designer Riccardo Tisci and Naomi Campbell. Campbell is wearing a Givenchy dress. (Evan Agostini / Invision/Associated Press)