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The night's big nominee – nine in all! – stands out on the red carpet in her plunging scarlet Roberto Cavalli minidress, Cesare Paciotti platform pumps and more than $1 million worth of Lorraine Schwartz jewelry.
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The singer picks the night's standout color – silver! – for her sparkling The Blonds mini dress paired with JudeFrances hoops.
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The star described her style as "sexy, edgy [and] feminine" on the red carpet, and her cut-out pink mini Louis Vuitton dress, Lorraine Schwartz black diamonds, lace Christian Louboutin booties and Ferragamo clutch fit the bill.
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Arriving with Kermit the Frog as her date, the heavily-nominated singer lives up to her reputation for outrageous fashion in a Jean Paul Gaultier black lace dress, neck brace and half-face mask.
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The evening's first winner looked every bit a princess after she disembarked from her horse-drawn carriage in a silver-dusted KaufmanFranco goddess gown, Lorraine Schwartz diamonds and upswept curls.
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The Twilight hunk covers up his famed torso with a sleek Calvin Klein collection suit.
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Even though she is no longer on The Hills, the former reality star shows her support for MTV in a brushstroke-print dress, black peep-toe pumps, Siera and Broken English rings and marcel waves.
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The pop icon changed out of her stage outfit for her homage to Michael Jackson to another dark loo – a black beaded L'Wren Scott coat, Chopard diamond earrings, a Harry Winston necklace and tall boots.
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The Gossip Girl star – who is nominated along with Cobra Starship for "Good Girls Go Bad"– celebrates her other career as singer in a glittering silver Christian Cota minidress, Bottega Veneta clutch, Giuseppe Zanotti sandals and Cathy Waterman jewelry.
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The actor keeps it simple in DampG, wearing a classic black suit and crisp white button-down – check out his natty pocket square!
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The City has never looked so chic! The reality star sizzles in a black piped Christopher Kane skirt with a bustier top, Fred Leighton jewelry and black Alberta Ferretti booties.
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KANYE WEST AND AMBER ROSE
The hip-hop star and his model girlfriend go for maximum swagger on the red carpet in a tight shirt and whiskey bottle for him and a second-skin jumpsuit for her.
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The new Hills vixen sets off her California tan with a shimmering, silver sequin tube dress, Sutra earrings and a sleek ponytail.
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The New Moon actress worked the red carpet as the night's fashion correspondent in a retro look of a Dolce amp Gabbana gold skirt and peplum top, Bulgari necklace, a House of Lavande ring, Rebecca Minkoff clutch and Jimmy Choo sandals.
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The singer is pure elegance in her sequined, belted Dolce amp Gabbana sheath, mirrored sandals and oversized Lorraine Schwartz hoops.
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The hip-hop impresario is a sharp-dressed man in his white-edged black suit.
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The Jennifer's Body star displays her body in an ivory and black strapless dress and towering heels.