Met Gala 2011: What All the Stars Wore!

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Mary-Kate Olsen

In a vintage Givenchy Haute Couture gown, Nicholas Kirkwood platforms, jewelry by Van Cleef & Arpels, and a Judith Leiber bag

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Jay-Z and Beyonce Knowles

Dressed in an Emilio Pucci gown and Lorraine Schwartz jewels, the songstress and her beau were among the many power couples on the red carpet.

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Blake Lively

In Chanel Haute Couture and Lorraine Schwartz jewels

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Ginnifer Goodwin

In a Topshop gown, Van Cleef & Arpels jewels, and a Kotur clutch

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Sarah Jessica Parker

In an Alexander McQueen dress and platinum Fred Leighton jewels

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Zoe Saldana

In a Calvin Klein Collection gown, Brian Atwood pumps, and a necklace by Platt Boutique Jewelry

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Sofia Vergara

In a Carolina Herrera gown and Harry Winston jewels

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Leighton Meester

In Louis Vuitton

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Jennifer Hudson

In a Vera Wang gown and a platinum Fred Leighton ring

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Emma Roberts

In a Michael Kors gown and Chopard earrings

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Michelle Monaghan

The actress wore a Derek Lam gown, shoes and bag by Roger Vivier and an H Stern cuff

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Lea Michele

In an ESCADA gown, Jimmy Choo platform sandals, and Kimberly McDonald earrings

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Ashley Greene

In a custom-made Donna Karan gown and Brian Atwood pumps

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Madonna

In a Stella McCartney dress, Sergio Rossi heels, and Cartier jewelry

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Nicole Richie

In a vintage gown and custom House of Harlow 1960 fine jewelry

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Miranda Kerr and Orlando Bloom

Dressed in Marchesa, Nicholas Kirkwood platforms, and Harry Winston jewels, the Victoria's Secret model and her black tuxedo-clad husband looked like day and night.

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Jennifer Lopez

In a Gucci gown and H.Stern jewels

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Keri Hilson

In Atelier Versace

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Kristen Stewart

In a Proenza Schouler gown and Fred Leighton jewels

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Jessica Alba

In a Ralph Lauren Collection gown and Casadei platform pumps

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Taylor Swift

In a J. Mendel gown, Christian Louboutin pumps, and Lorraine Schwartz jewels

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Brooklyn Decker

In Michael Kors

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Anna Wintour

In Chanel Haute Couture

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Emma Stone

In Lanvin

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Kate Hudson

In a Stella McCartney gown, Casadei platforms, and an Edie Parker handbag

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Ashley Olsen

In a vintage Christian Dior Haute Couture gown, Christian Louboutin heels, Van Cleef & Arpels jewelry, and a Judith Leiber bag

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Gwyneth Paltrow

In a Stella McCartney dress with a Judith Leiber clutch

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Christina Hendricks

In Carolina Herrera

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Claire Danes

In Calvin Klein Collection

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Dakota Fanning

In Valentino

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Demi Moore

In a Prabal Gurung gown, Casadei pumps, and Cartier jewelry

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Diane Kruger and Joshua Jackson

Kruger, in a Jason Wu dress and Van Cleef & Arpels jewels, carried a Jimmy Choo clutch; Jackson looked dapper in Dior Homme.

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Dianna Agron

In Michael Kors

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Elizabeth Banks

In a Tommy Hilfiger dress, Lorraine Schwartz jewels, and a Judith Leiber clutch

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Evan Rachel Wood

In Gucci

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Eva Mendes

In Stella McCartney

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Florence Welch

In Yves Saint Laurent

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Freida Pinto

In Chanel Haute Couture and Chopard jewelry

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Josh Duhamel and Fergie

The songstress was decked out in a Marchesa gown and Harry Winston jewels, while Duhamel wore a Calvin Klein Collection tux and a Harry Winston timepiece.

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Renee Zellweger

In Carolina Herrera

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Christina Ricci

In a Zac Posen gown and Fred Leighton earrings

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Amy Adams

In a L'Wren Scott dress, Brian Atwood pumps, and Cartier jewels

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Hailee Steinfeld

In a Stella McCartney dress and Nicholas Kirkwood platform sandals

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Iman

In Stella McCartney

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Kristen Bell and Isla Fisher

Both leading ladies were clad in Tory Burch; Fisher paired her gown with House of Lavande jewelry.

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Jessica Szohr

In a Topshop mini dress and Forevermark earrings

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Kerry Washington

In a mint green Escada gown with cut-outs and a white gold and diamond 1920's Movado watch

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Kirsten Dunst

In Chanel Haute Couture

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Solange Knowles

In a Dries van Noten dress and Lorraine Schwartz jewels

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Michelle Williams

In a Miu Miu dress and platinum Fred Leighton rings

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Rihanna

In a Stella McCartney gown and Wilfredo Rosado jewels

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Alicia Keys and Swizz Beatz

The songstress and her hip-hop producer husband both posed in Givenchy Haute Couture by Riccardo Tisci.

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Penelope Cruz

In an Oscar de la Renta gown, Jimmy Choo platforms, and Chopard jewels

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Chloe Sevigny

In Proenza Schouler

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Mia Wasikowska

In a Thakoon dress and Brian Atwood pumps

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Peter Sarsgaard and Maggie Gyllenhaal

Gyllenhaal, in Stella McCartney, poses with husband Sarsgaard, in YSL.

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Rosario Dawson

In a Diana von Furstenberg column dress and and Forevermark jewels

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Ryan Seacrest and Julianne Hough

Burberry was this couple's red-carpet designer of choice.

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Liv Tyler

In Givenchy Haute Couture by Riccardo Tisci

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Salma Hayek

In Alexander McQueen

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Alexa Chung

In Christopher Kane

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Amy Poehler

In J. Mendel

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Naomi Watts

In a Stella McCartney gown and Sergio Rossi heels

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Rumer Willis

In Badgley Mischka Couture