Best & Worst Dressed of the Week

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Kerry Washington is pretty in pink, Blake Lively shines in gold Gucci, and Gwyneth Paltrow opts for white after Labor Day. See fashion's highs and lows this week.

Getty; Anthony Behar/Sipa USA

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Gisele Bundchen took advantage of the beautiful September weather in a J. Mendel orange cut-out dress at the Eco Trailblazers in New York on September 18.

Anthony Behar/Sipa USA

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Actress Kerry Washington, who was recently named People magazine's best dressed woman of the year, proved the title to be true in the bright pink, ruffled Halston Heritage dress she wore to The Academy of Television Arts & Sciences and SAG-AFTRA celebration of the 65th Primetime Emmy Award nominees on September 17.

Kevin Winter/Getty

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Blake Lively made her fashion month debut on Wednesday, sitting front row next to Anna Wintour at Gucci's Spring/Summer 2014 presentation. Lively, who fronted the campaign for Gucci's Premiere fragrance last year, looked sophisticated in a mustard-colored leather dress from the brand's Resort 2014 collection with coordinating copper sandals and a nude clutch.

Jacopo Raule/Getty

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Whoever said you can't wear white after Labor Day clearly got it wrong. For the premiere of Thanks For Sharing on September 16, Gwyneth Paltrow kept it sophisticated in a white, flared dress by Lanvin. Although she kept her hair simple and straight, she accessorized more playfully with Nicholas Kirkwood pumps and bright red lipstick.

Jason Merritt/Getty

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Actress Sienna Miller -- and the face of Burberry's Fall 2013 campaign -- attended the brand's Spring/Summer 2014 show on September 16 in a dark green fur jacket with a coordinating ribbed pencil skirt both by the designer.

Karwai Tang/WireImage

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Anna Dello Russo attended the Alberta Ferretti Spring/Summer 2014 show on September 18 wearing a gray wool dress -- with front tied sleeves across her middle -- from Céline's Fall 2013 collection. In typical Dello Russo fashion, she accessorized with wild DSquared2 glasses and black feathered sandals.

Jacopo Raule/Getty

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Iman wore a simple, purple chiffon number by Zac Posen to Estée Lauder's "Modern Muse" fragrance launch party on September 12.

Bryan Bedder/Getty for Estee Lauder

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Eco-friendly designer Stella McCartney attended The Global Fund's first green carpet challenge on September 16 wearing matching, printed silk top and shorts from her own Resort 2014 collection.

Chris Jackson/Getty

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Sitting front row at the Erdem Spring/Summer 2014 show on September 16, Poppy Delevingne wore a playful and flirty floral appliqué frock from the designer's Resort 2014 collection. Although she wore simple black pumps, she spiced things up with a pair of wildly-embellished DSquared2 sunglasses.

Stuart C. Wilson/Getty

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Giovanna Battaglia always holds the street-style reins. She attended Fendi's Spring/Summer 2014 wearing a light blue button-down with a slight geometric pattern, a polka-dot skirt, and one of Fendi's furry little friends.

Jacopo Raule/Getty

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Actress Naomie Harris brought some light to a cold London evening as she attended the Harper’s Bazaar London Fashion Week wrap-up party on September 17. Harris wore an orange, white, and blue printed dress from Peter Pilotto's Resort 2014 collection paired with a plexi-glass clutch by Charlotte Olympia and simple gray Christian Louboutin heels.

Danny E. Martindale/Getty

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"It" Brits David and Victoria Beckham attended The Global Fund's first green carpet challenge on September 16 both wearing all-black suit looks. Victoria rocked a boyfriend blazer and trousers from her Fall 2013 collection with a pair of Manolo Blahniks, while David opted for a tailored suit by Burberry.

Chris Jackson/Getty

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It's hard to tell if Cate Blanchett's Givenchy couture gown is dramatically chic or ready (way too early) for Halloween. The actress attended the UK premiere of her film Blue Jasmine on September 17 in a black dress, clad with an off-the-shoulder cape and gold embroidery.

Fred Duval/Getty

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Downton Abbey star Elizabeth McGovern looked like she was dressed for an Eighties prom (rather than The Global Fund's green carpet event) in a poufy, bright blue, strapless dress and bright green strappy heels.

Chris Jackson/Getty

Best & Worst Dressed of the Week

Kerry Washington is pretty in pink, Blake Lively shines in gold Gucci, and Cate Blanchett looks like a chic Dracula. See fashion's highs and lows this week.

Erin Cunningham