“The One That Got Away” singer accentuated her pink hair with a Vivienne Westwood Couture dress.
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Jennifer Lopez
The "On the Floor" singer turned heads in a sexy Zuhair Murad dress, Jimmy Choo shoes and Neil Lane jewelry.
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Nicki Minaj
The award winner wore an Oscar de la Renta silk taffeta gown with a black lace bodice.
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Jennifer Hudson
The svelte singer showed off her fit figure in a metallic jersey drape-front cocktail dress by Jenny Packham.
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Kelly Clarkson
The "Mr. Know It All" singer dazzled in a cherry red sequin gown.
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Selena Gomez
The "Hit the Lights" singer rocked a pewter Giorgio Armani gown featuring a halter neckline, open back, ruched bodice and delicate train.
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Jenny McCarthy
The buxom blonde covered up in an eggplant Victoria Beckham sheath and black booties.
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Taylor Swift
The country superstar shined bright in a sequined Reem Acra gown, Lorraine Schwartz jewelry and Jimmy Choo shoes.
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Katherine Heigl
The One for the Money actress wore a plunging Roberto Cavalli dress, Jimmy Choo shoes, a Judith Leiber clutch and Sutra earrings.
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Heidi Klum
The Project Runway host shimmered in a metallic Giles Deacon mini-dress with cut-out details.
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Vanessa Lachey
The newlywed and Wipeout co-host looked white hot in an embellished ivory Aje mini-dress.
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Sarah Hyland
The Modern Family star looked age appropriate in a cocktail dress with stone and sequin detail by Amen.
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Alanis Morissette
The new mom showed off her post-baby body in a belted black gown.
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Christina Aguilera
The singer wore a body-hugging Herve Leger dress while performing "Moves Like Jagger" with Maroon 5.
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Cheryl Hines
The Suburgatory star wore a pale pink Lorena Sarbu dress with Pomellato jewelry.
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Sarah Drew
The pregnant star flaunted her baby bump in a lacy floral frock.
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Kimberly Perry
The country singer wore the same Botega Venetta look Emma Stone wore to the MTV Movie Awards in June.
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Audrina Patridge
The VH1 reality star sexed it up in a revealing Joey Tierney mini-dress with a midriff cut-out.
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Jane Levy
The Suburgatory star looked angelic in a nude lace cocktail dress and platform heels.
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Ellie Goulding
The British singer bared her toned tummy in a sassy LBD by Christopher Kane. She accessorized with Christian Louboutin shoes, David Yurman earrings and a Lulu Guinness bag.
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Mary J. Blige
The soul singer went wild in a one-shoulder leopard Roberto Cavalli gown.
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Julie Bowen
The Modern Family star sparkled in a metallic Manish Arora mini-dress.
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Hillary Scott
The Lady Antebellum singer sparkled in a Swarovski-studded strapless column gown by Rani Zakhem.
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