Met Costume Gala 2012: What the Stars Wore

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Nina Dobrev

The Vampire Diaries actress made her first Met Gala appearance in a black and gold silk chiffon Donna Karan Atelier gown with an elegant train and accessorized with H. Stern earrings.

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Dianna Agron

The Glee star hit a high note in a jade green silk organza Caroline Herrera gown with a snake skin belt, Sergio Rossi heels and Fred Leighton jewelry.

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Emma Stone

The star wore a custom Lanvin creation hand embroidered with crystal flowers.

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January Jones

Never one to play it safe on the red carpet, the Mad Men actress posed in an eye-popping yellow Versace gown with reflective accents and a Cartier statement necklace.

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Jessica Alba

The actress rocked a gold one-shoulder pleated Michael Kors gown.

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Karolina Kurkova

The model wore the flashiest look of the night -- a gold Rachel Zoe creation with a matching turban and Fred Leighton jewelry.

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Lea Michele

The Glee sparkled in a midnight blue Diane von Furstenberg halter dress with a plunging neckline and thigh-high slit.

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Carey Mulligan

The newlywed and Met Gala chairwoman dazzled in a flashy sequined silver-and-gold Prada halter design with Neil Lane jewels.

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Beyonce Knowles

The new mom showed off her incredible post-baby body in a sheer black embroidered Givenchy Haute Couture gown with a purple ombre feathered train.

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Camilla Belle

The actress donned an ivory tulle beaded dress and accessories by Ralph Lauren.

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Gwyneth Paltrow

The style star showed off her toned legs in a sexy pale blue Prada halter design with inverted back pleats and macro-paillettes embroidered patch pockets.

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Allison Williams

The Girls star added a pop of color to the crowd in a fuchsia silk satin Ralph Lauren dress.

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Amber Heard

The actress showed off her incredible curves in a custom orchid Zac Posen dress with a bustier bodice and Tiffany & Co. jewelry

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Anna Wintour

Vogue's editor-in-chief (and the evening's hostess) was the first to arrive in an Elsa Schiaparelli-inspired Prada lobster dress.

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Brooke Shields

The actress may have been walking with a cane, but she looked elegant as always in a midnight blue satin gown.

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Coco Rocha

The model coordinated her new hot pink dip-dyed ends with her eye-popping vintage Givenchy ensemble.

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Tim Tebow

The Jets quarterback looked dapper in head-to-toe Ralph Lauren Purple Label.

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Lana Del Rey

Making her first Met Gala appearance, the "Video Games" singer wore a custom black and silver embroidered Joseph Altuzarra gown with a dramatic black cape.

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Solange Knowles

Beyonce's stylish younger sis brightened up in a sunshine yellow Rachel Roy strapless dress with peplum detail and added a stack of gold bangles.

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Amy Poehler

The Parks and Recreation star stunned in a black laser cut leather lace peplum corseted Fotini gown with feathered bottom, Jimmy Choo shoes and Tiffany & Co. jewels.

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Bruno Mars

The singer looked dapper in a tuxedo and shades.

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Chace Crawford

The Gossip Girl actor channeled his television alter ego in a sleek suit.

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Chloe Sevigny

The fashion risk-taker arrived in a Miu Miu black mirrored geometric patchwork mini dress.

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Christina Ricci

The petite star posed in a black and white strapless Thakoon design with a massive bow.

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Greta Gerwig

The actress chose a dark green Prabal Gurung gown.

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Claire Danes

The Homeland star wowed in a white silk asymmetrical J. Mendel gown.

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Dakota Fanning

The NYU student took a night off and dressed up in a lavender off-the-shoulder Louis Vuitton gown with hand-embroidered flowers and Fred Leighton jewelry.

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Ed Westwick

The Gossip Girl actor looked his Upper East Side best in a dapper tuxedo.

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Jessica Pare

The Mad Men stunner dazzled in a gold sequined L'Wren Scott cap-sleeve gown.

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Kanye West

The rapper (and designer) rocked a classic tuxedo on the red carpet.

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Mary-Kate Olsen

In keeping with her eclectic style, the designer covered up in a black long sleeve look by her label, The Row.

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Lily Collins

The Mirror Mirror actress donned an ivory silk tulle Valentino gown with lace accents.

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Rashida Jones

The actress chose a drop shoulder cream silk chiffon Tory Burch gown with hand-beaded flowers.

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Amy Adams

The actress wowed in a one-shoulder silk chiffon gown with a black velvet insert and silver and gold bow belt by Giambattista Valli Haute Couture, plus Fred Leighton jewels.

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Ashley Greene

The Twilight stunner was a total knockout in a custom white grecian Donna Karan Atelier gown with chiffon pleats and a stone encrusted sequin bustier. She completed her look with Jacob & Co. chandelier tassel earrings and a flower diamond ring.

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Brooklyn Decker

The model-turned-actress opted for a pleated Tory Burch silk tulle and crepe gown with hand-embroidered floral appliques.

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Cameron Diaz

The red carpet all-star star struck a sexy pose in a champagne embroidered silk Stella McCartney gown and Fred Leighton earrings.

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Emma Roberts

The actress stunned in a custom marigold strapless Escada dress with  peplum detail and a vintage Swarvoski gold clutch.

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Diane Kruger

The stylish star wowed in a royal purple layered crepe silk chiffon V-neck Prada gown with a hand-finished ostrich feather trim and a Fred Leighton necklace.

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Ginnifer Goodwin

The Once Upon a Time star wore a custom Monique Lhuillier tangerine silk chiffon cap sleeve gown and H.Stern jewelry.

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Renee Zellweger

The actress wowed in a custom black silk Emilio Pucci gown with chiffon detail.

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Gisele Bundchen and Tom Brady

The stunning couple coordinated in sleek black looks: beaded Givenchy for her and Tom Ford for him.

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Sarah Jessica Parker

The fashionista covered up in a floral print Valentino gown with a full skirt and Fred Leighton cuff bracelets.

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Sofia Vergara

Taking a break from her go-to bold colors, the Modern Family bombshell chose an ivory embroidered Marchesa design with peplum detail and $2 million worth of Harry Winston jewels.

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Heidi Klum

The newly single supermodel showed off her incredible body in a custom blue lace Escada gown with a sheer skirt and statement necklace.

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Hilary Swank

One of the few stars to wear red, the actress sizzled in a Michael Kors halter gown and Fred Leighton jewelry.

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Kristen Bell

The actress rocked a citrus-hued Tommy Hilfiger halter dress with a gold clutch and sleek hair.

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Emily Blunt and John Krasinski

The British actress arrived with her adorable husband in a stunning coral-pink cutout Calvin Klein look.

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Julianne Hough

Showing off her feminine style, the Rock of Ages actress worked a shocking pink strapless Carolina Herrera mermaid-style gown with a sexy wavy 'do. She completed her look with Jacob & Co. chandelier diamond earrings.

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Kate Upton

The Sports Illustrated model covered up her curves in a sequined Michael Kors gown with a sexy scooped back.

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Katharine McPhee

The Smash actress looked her red carpet best in a coral beaded Elie Saab gown with a plunging neckline.

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Kristen Wiig

The SNL star glammed up in an orange lace Stella McCartney pleated dress, a Reed Krakoff bag and Fred Leighton jewels.

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Kristen Stewart

The Twilight star opted for an unusual Balenciaga by Nicolas Ghesquiere dress with a printed top and color-blocked skirt.  

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Lala Anthony

The reality star arrived in a custom cobalt Zac Posen bustier gown. She accessorized with a Forevermark diamond and pave marquise shaped ring in oxidized gold.

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Debra Messing

The Smash actress took the plunge in a sexy low-cut KaufmanFranco crystal sequin gown with Fred Leighton jewels and Brian Atwood heels.

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Jessica Chastain

The Help actress wore a corseted blue metal satin Louis Vuitton dress and Harry Winston jewels.

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Lena Dunham

The Girls star paired an emerald green Wes Gordon design with neon pink Stella McCartney heels.

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Jessica Biel and Justin Timberlake

The actress, who arrived with her fiance, wore an ivory satin deep-V Prada gown with cascading jade green stones and matching heels.

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Kirsten Dunst

The actress wore a retro Rodarte ensemble, featuring a wool crepe double lapel jacket accented with a thick black leather belt teamed with a matching lace gown and Neil Lane and Van Cleef & Arpels jewels.

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Leighton Meester

The Gossip Girl star got decked out in a gold embroidered Marchesa illusion dress with a tiered tulle skirt, Harry Winston jewels and Tabitha Simmons shoes.

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Paula Patton

The actress wore a blush-colored custom Vera Wang strapless gown.

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Rihanna

The daring singer posed in an embossed crocodile leather applique Tom Ford dress.

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Rooney Mara

For her first Met Gala appearance, the edgy actress donned an elegant black lace Givenchy gown with a sheer skirt.

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Rosie Huntington-Whiteley

The gorgeous Brit wore a copper and black draped-back tulle Burberry dress with hand embroidered glass beads and Irene Neuwirth jewels.

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Eva Mendes

The star wore a tangerine silk strapless peplum waisted gown by Prada with an embroidered bustier and turban headband and Fred Leighton earrings.

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Elizabeth Banks

Stepping out in one of the most daring looks of the night, The Hunger Games star chose a black-and-white print Mary Katrantzou gown with a red belt and voluminous peplum skirt, plus a Cartier clutch and jewels.

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Rosario Dawson

The actress wowed in a black leather Calvin Klein Collection dress and Fred Leighton jewelry.

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Liv Tyler

The star looked gorgeous in head-to-toe Givenchy and accessorized with Fred Leighton jewels.

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Marion Cotillard

The mom of Marcel, 11 months, dazzled in head-to-toe Christian Dior and teamed her look with Chopard jewels.

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Shailene Woodley

The Descendants starlet worked the room in a vibrant Christopher Kane dress, Pomelatto earrings and Tabitha Simmons shoes.

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Cate Blanchett

The actress stunned in a Alexander McQueen fishtail gown paired with Van Cleef & Arpels jewelry.

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Leslie Bibb

The GCB star looked sophisticated in a midnight blue draped bustier gown by Zac Posen.

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Kate Bosworth

The actress chose a flirty ombre bordeaux and navy ostrich feather Prada mini-dress with a low-cut back and Fred Leighton jewelry.