It was around 26° last night when the amfAR New York Gala kicked off Fall 2013 Fashion Week. For some attendees, it was important to be somewhat weather-appropriate. Other folks just went right ahead and wore sheer dresses and showed plenty of skin, hypothermia (and good taste) be damned.

Covered up and elegant: Poppy Delevingne, Tara Subkoff, Giovanna Battaglia.

Sleek in winter black: Julia Restoin-Roitfeld, Lily Donaldson, Carine Roitfeld (with Vladimir Restoin Roitfeld).

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More tales to be told in the dark: Donna Karan, Alan Cumming, Frida Gustavsson, Denise Rich.

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Funky mixes: Alicia Quarles; the notorious Peter Brant Jr. and "guest", Michael Strahan and Nicole Murphy, Sofia Sanchez.

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Chloe Sevigny rocked an eye-catching print.

Red hot: Crystal Renn, Lena Gercke, Emilia Clarke.

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Bright ideas: Doutzen Kroes, Nana Meriwether, Anne Vyalitsyna.

Even though this thing Sarah Jessica Parker wore is shapeless and strange, I love it. Comfy rich hippie chic.

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Cee Lo and Big Gipp kept warm.

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There were plenty of winter whites, like the exquisite gown on Toni Garrn.

Karlie Kloss, fresh and clean and adorable.

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Ashley Greene looked statuesque; Katharine McPhee was effortlessly ladylike; Chrissy Teigen was slightly sexy; Jeisa Chiminazzo exuded romance.

Best dress of the night? Patricia Clarkson. (Yucking it up with Michael Kors.)

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Heidi Klum went bare back.

Things are starting to get skimpier: Carol Alt had skin-toned panels are bare shoulders.

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Lindsay Lohan had a beaded bosom.

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Rawther short for February: Alexa Chung and Dania Ramirez.

Pretty damn see-through: Lydia Hearst-Shaw , Mary Alice Stephenson, Leigh Lezark, Hofit Golan.

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One must only assume that Alina Baikova is a forthright gal who doesn't like to leave anything to the imagination.

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And, finally, with nothing to hide, back or front, Michelle Harper.

Images via Getty.