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Hosts know guests need time to prepare

Marco Bizzarri, Gucci chief executive, with Salma Hayek in a Gucci Cruise Lurex suit and Franoise-Henri Pinault, chairman and chief executive of Kering, Gucci's parent company

Elegant Floral Strapless Sweetheart Backless A-line Short Homecoming Dress, HD3058

Find your size in the occasion dresses edit Types of Dresses Every formal dress type named and shown slip, column, A-line, sheath, fishtail, one-shoulder and more each with its fabric and best occasion

While these establishments have dress codes in place, they can essentially be broken down to one rule: Wear as little as possible