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A woman looks at skirts at a communist-era stadium being used as Europe's largest outdoor market called Jarmark Europa in Warsaw June 14,2007. REUTERS/Kacper Pempel

Models

Models participate in a fashion parade organized by Argentine hairstylist Roberto Giordano in Punta del Este in this January 13, 2007 file photo. REUTERS/Andres Stapff/Files

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A model presents a creation of Spanish designer Agatha Ruiz de la Prada during the second day of Albania Fashion Week in Tirana, November 8, 2008 REUTERS/Arben Celi

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A model wears a multicolor cotton mini skirt, and white short sleeve canvas and linen shirt carrying a leather ckicken face handbag during the presentation of the Custo Barcelona Spring 2004 collection in New York on September 17, 2003. REUTERS/Mike Segar

Katy

Katy Perry performs at the 51st annual Grammy Awards in Los Angeles, February 8, 2009. REUTERS/Lucy Nicholson

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A model for Ghost, the British women's wear designer, wears a multi-pattern crop blouse and stencil-cut green leather mini skirt from the Ghost Spring 2000 Collection during the showing of the Collection in New York, September 18, 1999. REUTERS/Mike Segar

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A model presents a polka dot mini skirt worn with a wolf fur jacket as part of British designer John Galliano's Autumn/Winter 2002-2003 ready-to-wear collection he designed for Dior in Paris, March 7, 2002. REUTERS/Jack Dabaghian

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A model poses on a motorcycle at an exhibition stall on the opening day of the Autocar Performance Show in Mumbai November 13, 2008. REUTERS/Arko Datta

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A model wears a black and white print pleated mini skirt with a cropped light purple and silver satin trimmed poppy and ribbon print top during the presentation of the Anna Sui Spring 2004 Collection in New York on September 17, 2003. REUTERS/Mike Segar

Models

Models walk the runway for designer Tommy Hilfiger during the the 13th annual Race to Erase MS gala in Century City, California April 13, 2007. REUTERS/Mario Anzuoni