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DRESSES THAT ROCKED!

LOVE THEM OR HATE THEM, THESE CLASSIC-OR QUIRKY-GOWNS MADE NOISE ON THE RED CARPET

TAYLOR SWIFT in a silk chiffon pleated J. Mendel gown and Lorraine Schwartz earrings and a Jaimin (a patient at Children's National Hospital) and Lorraine Schwartz bracelet with Jimmy Choo sandals.

ALICIA KEYS in a body hugging Azzedine Alaia gown and Ofira jewels.

66% OF PEOPLE.COM READERS HATED IT!

JENNIFER LOPEZ in a jaw-dropping Anthony Vaccarello design, Tom Ford python sandals and Norman Silverman jewels.

KELLY ROWLAND in a mesh paneled Georges Chakra Couture gown and Lorraine Schwartz jewels.

58% OF PEOPLE.COM READERS LOVED IT!

KATY PERRY in an embroidered jersey Gucci gown and minimal jewelry.

MIRANDA LAMBERT in a plunging Roberto Cavalli gown and statement-making accessories.

CARRIE UNDERWOOD in an embellished Roberto Cavalli gown and Johnathon Arndt necklace.

73% OF PEOPLE.COM READERS HATED IT!

FLORENCE WELCH in a spiked sequin custom-made Givenchy by Riccardo Tisci gown and Jewelista gold rings.

RIHANNA in a chiffon Azzedine Alaia gown and Neil Lane platinum and diamond jewels.

PITCH PERFECT

JUSTIN! KATY! CARRIE! MUSIC'S BIGGEST STARS GATHER FOR A NIGHT OF COMEBACKS, TRIBUTES AND FUN-PERIOD

SUITED UP

Justin Timberlake said he was so "pumped up" for his return to the stage at L.A.'s Staples Centeron Feb. 10 that "it's hard to sit down." He later sang again in front of a sold-out crowd at the Hollywood Palladium.

CARRIED AWAY

"I wish there were a couple more country people representing this year!" says Carrie Underwood, who picked up Best Country Song honors.

FRONT-ROW FANS

Timberlake's wife, Jessica Biel (in Oscar de la Renta), joins Jay-Z and Beyonce (in Osman Yousefzada) in giving the pop star a shout-out during his performance.

RINGLEADER

Taylor Swift kicks off the show with a trippy Alice-in-Wonderland-goes to-the-circus version of "We Are Never Ever Getting Back Together."

THIGH MASTERS

"I feel fantastic," says Jennifer Lopez, who took advantage of commercial breaks to catch up with a much more demure Nicole Kidman (in Vera Wang). "I had to get it lined so it wasn't see-through!" says the actress of her look.

A MOMENT LIKE THIS

Her sleeve may have gotten caught on her pal Miranda Lambert's dress, but Kelly Clarkson didn't miss a step when she won for Best Pop Vocal Album.

HEY, GIRLS!

Ellen DeGeneres (with wife Portia de Rossi, left) eyes Katy Perry's curves, which were accentuated by the singer's form-fitting Gucci gown. "It's like a second skin!" says Perry.

BACKSTAGE BROMANCE

Colombian singer Juanes-winner of Best Latin Pop Album-hangs out with surprise guest Johnny Depp, who later went on to introduce the "sublime" Album of the Year winners, Mumford & Sons.

FUN DATE

Girls star Lena Dunham cozies up to her Grammy-winning boyfriend, Fun's Jack Antonoff, at the Warner Music Group and InStyle bash.