Top Looks of the Week

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Jessica Biel

Neilson Barnard/Getty Images for Tiffany & Co.

WHAT SHE WORE Biel was lovely in a floral Elie Saab halter gown that she styled with sapphire and diamond Tiffany & Co. jewels at the Blue Book Ball.

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Gwyneth Paltrow

Stephane Cardinale/People Avenue/Corbis

WHAT SHE WORE At the Paris premiere of Iron Man 3, Paltrow looked lovely in Erdem's floral separates and navy pumps.

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Olivia Palermo

Michael Stewart/Getty Images

WHAT SHE WORE Palermo dined at a New York gala in a long-sleeve black design that she set off with colorful extras.

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Kerry Washington

John Shearer/Invision for MTV/AP Images

WHAT SHE WORE At the MTV Movie Awards, Washington brightened things up in a colorblock Michael Kors design that she accessorized with an ostrich clutch and satin Roger Vivier pumps.

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Sarah Jessica Parker

Zunino Celotto/Getty Images for Calzedonia

WHAT SHE WORE Parker accessorized her single-breasted topper with edgy danglers, a sparkling baguette and cobalt pumps on the Calzedonia red carpet.

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Emma Watson

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WHAT SHE WORE Watson picked up her MTV Movie Award in a cutout Maxime Simoëns dress and lace-up heels.

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Jennifer Aniston

Jordan Strauss/Invision/AP

WHAT SHE WORE Jennifer Aniston walked the red carpet for the Call Me Crazy premiere in Christian Dior's tuxedo-inspired shorts suit and sleek accessories to match.

WHY WE LOVE IT The reigning queen of the LBD mixed it up with a black ensemble of a different kind!

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Emmy Rossum

CelebrityPhoto.com

WHAT SHE WORE Emmy Rossum stepped out for a good cause at the Saving Tails fundraiser in a peek-a-boo button-down and floral skirt from Topshop, lasercut Stuart Weitzman bag and leather sandals.

WHY WE LOVE IT It doesn't get much lovelier than a pretty star in a sweet print!

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Evan Rachel Wood

Dimitrios Kambouris/Getty Images

WHAT SHE WORE Wood kicked off the Tribeca Film Festival in a belted Gucci halter dress and pointy-toe Louboutins.

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Selena Gomez

Jason Merritt/Getty Images

WHAT SHE WORE Selena Gomez sparkled in a fringed Julien Macdonald minidress, Joan Hornig drop earrings and glittering Jimmy Choo peep-toes at the MTV Movie Awards.

WHY WE LOVE IT This star shined brighter than ever in her dazzling gold design!

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Kate Hudson

Evan Agostini/Invision/AP

WHAT SHE WORE Hudson wore a fittingly-hued Reem Acra gown with Tiffany amp Co.'s diamond bracelet, earrings and ring at the jeweler’s New York event.

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Olivia Palermo

Charles Eshelman/FilmMagic

WHAT SHE WORE Palermo walked the red carpet for the New York premiere of Pain and Gain in a black blazer and leather leggings that she accessorized with statement earrings, a metallic clutch and suede sandals.

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Sienna Miller

Johns PKI / Splash News

WHAT SHE WORE Miller walked the courthouse steps for Vanity Fair’s Tribeca Film Festival bash in a floral Topshop LBD, leather bag and jeweled satin heels.

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Olga Kurylenko

Retna Ltd

WHAT SHE WORE Kurylenko showed some leg in a military-inspired sheath and patent leather booties from Altuzarra at an N.Y.C. bash.

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Carey Mulligan

Gregory Pace / BEImages

WHAT SHE WORE Mulligan feted Tiffany amp Co. in a tuxedo-inspired Victoria Beckham design, the jeweler’s drop earrings and deco ring and T-strap heels.