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Shop occasion dresses #What is cocktail attire for women, and where did the dress code come from

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Where to Wear: Prom, black tie weddings, galas, balls, big birthday events, formal celebrations, red-carpet occasions, upscale receptions, fashion-forward events

Its a core dress style for the party season, and one for our most bold and risqu customers, says Libby Page, market director at Net-a-Porter, which has bought heavily into sheer styles from the likes of Saint Laurent and London labels 16 Arlington and Nensi Dojaka