Naomi Watts and Other Best Dressed Celebs of the Week

Naomi picked a velvet peplum Stella McCartney Pre-Fall 2012 dress for the ball held at the New York Academy of Art. The designer was also behind her faux python Grace clutch and black Spring 2012 sandals, while that vintage gold double-wrapped choker was courtesy of Van Cleef & Arpels.

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Emily’s latest movie actually opened the festival, and the actress donned a Jason Wu Pre-Fall 2012 dress for the occasion. She rounded out the look with jewels by Lorraine Schwartz, green Alice + Olivia heels and a black Valentino clutch.

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This animal print Yigal Azrouël had Olivia standing out on the red carpet. She accessorized the Pre-Fall 2012 gown with Ippolita jewelry, a ring by Lucifer Vir Honestus and a gold Jimmy Choo clutch.

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Leelee was simply elegant at the festival party. Her Jil Sander Spring 2012 white V-neck gown was combined with a sleek updo and a standout pink lip shade.

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The supermodel worked the thigh-high slit on this sleeveless Abed Mahfouz number. Jessica’s gown also had a lace bodice and was teamed with Jeffrey Rackover jewels along with red embellished sandals.

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Carolina Herrera’s Spring 2012 geometric stripe accented dress was amplified by Ivanka’s choice of accessories. The Apprentice star and designer added in a red patent leather belt, a grey clutch and mesh-inserted black pumps.

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Stella McCartney’s Isabel silk-cotton dress was the pregnant star’s choice for the unveiling of Sir Paul McCartney’s latest video. Reese finished off the sophisticated look with gold jewelry, a Stella McCartney faux python clutch and black pointed toe pumps.

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Zac Efron may be the big draw in the romantic drama, but his co-star certainly took center stage at the premiere. Taylor stunned in this black Calvin Klein Collection Resort 2012 dress with an embellished halter neckline and open back set off by Lynn Ban jewelry.

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Delta hit the red carpet at the Melbourne event in this white Ralph Lauren Spring 2012 gown, which included draped shoulder details. A silver tasseled belt and coordinating clutch wrapped up the look.

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The Spanish actress looked absolutely glamorous in this nude lace strapless Dolce & Gabbana gown in Rome, Italy. Chopard jewels and a bronze Roger Vivier clutch polished off Penélope's upscale look.

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