Some followed the "Charles James:Beyond Fashion" dress code (in honor of this year's Metropolitan Museum Costume Institute fashion exhibition) in fabulous, couture ball gowns and others strayed from the theme to show off some fierce avant garde style. Trending big time at the Met Gala's red carpet? Black & white and midriff baring crops and cutouts. Here are some of the A-List looks from fashion's biggest night of the year.
Anna Kendrick in J. Mendel
Georgia May Jagger and Virginie Courtin-Clarins in Thierry Mugler
Emmy Rossum in Carolina Herrera
Katie Couric, in Angel Sanchez, with her fiancé, John Molner
Nicole Richie in Donna Karan Atelier
Greta Gerwig in Olivier Theyskens
Rita Ora in Donna Karan Atelier
A$AP Rocky in Topman and Chanel Iman in Topshop
Kristen Wiig in Balenciaga and Alexander Wang
Selena Gomez, Diane von Furstenberg and Jessica Alba in dresses by the designer
Leighton Meester in Emilio Pucci
Olivia Munn in Diane von Furstenberg
Taylor Swift in Oscar de la Renta
Marion Cotillard in Dior
Johnny Depp in Ralph Lauren and Amber Heard in Giambattista Valli Haute Couture
Shailene Woodley in Rodarte
Naomi Watts in Givenchy Haute Couture
Kristen Stewart in Chanel
Mary-Kate and Ashley Olsen in vintage Chanel
Seth Meyers and Alexi Ashe
Erykah Badu in Givenchy
Alasdhair Willis and Stella McCartney in her own design
Cara Delevingne in Stella McCartney
Kate Bosworth in Stella McCartney
Karlie Kloss in Oscar de la Renta
Karolína Kurková in Marchesa
Liu Wen in Zac Posen
Sarah Jessica Parker in Oscar de la Renta
Hailee Steinfeld in Prabal Gurung
Hayden Panettiere in Dennis Basso
Allison Williams is in Oscar de la Renta
Anna Wintour in Chanel
Suki Waterhouse in Burberry
Rachel McAdams in Ralph Lauren
Jessica Paré in Michael Kors
Zoe Saldana in Michael Kors
Rosie Huntington-Whiteley in Balmain
Diane Kruger in Hugo Boss
Victoria Beckham in a dress from her own collection
Michelle Williams in Louis Vuitton
Gabrielle Union in Prada
Dakota Johnson in Jason Wu
Katie Holmes in Marchesa
Lea Michele in Altuzarra
Lily Aldridge in Michael Kors
Kate Upton in Dolce and Gabanna
Chloë Grace Moretz in Chanel
Lupita Nyong'o in Prada
Margot Robbie in Prada
Joan Smalls in Vera Wang
Amy Adams is in Oscar de la Renta
Kendall Jenner in Topshop
Kim Kardashian and Kanye West in Lanvin
Charlize Theron in Dior and Sean Penn
Reese Witherspoon in Stella McCartney
Anne Hathaway in Calvin Klein
Emma Stone in Thakoon
Beyoncé Knowles in Givenchy
Kate Mara in Valentino
Blake Lively and Ryan Reynolds, both in Gucci
Chrissy Teigen and John Legend in Ralph Lauren
Amanda Peet in Marc Jacobs
Hugh Dancy and Claire Danes in Oscar de la Renta
Gisele Bündchen in Balenciaga
Rihanna in Stella McCartney