Cover: Hilfiger Collection chiffon dress, $560. Tommy Hilfiger, N.Y.C. 212-223-1824. Allure.com, page 12: Ray-Ban sunglasses, $150. Sunglasshut.com. Cover Look, page 20: Topshop Unique silk dress, $435. Topshop.com. Kenzo polyester top, $1,315, and skirt, $1,525. Kenzo.com. Page 22: Hilfiger Collection chiffon dress, $560. Tommy Hilfiger, N.Y.C. 212-223-1824. Fortnight nylon-blend bodysuit, $168. Fortnight lingerie.com. Ryan Roche cashmere sweater, $1,288. Barneys New York stores. Isabel Marant silk top, $175. Isabel Marant, San Francisco. 415-781-0113. Golden Goose Deluxe Brand leather shoes, $605. Golden Goose Deluxe Brand, N.Y.C. 212-431-3300. Beauty by Numbers, page 26: Underground Grillz gold-and-diamond grill, price available upon request for similar styles. Underground grillz.com. Head Trips, page 28: Valentino embroidered organza dress, $27,500. Valentino stores. Leigh Miller earrings, $325 to $550. Leigh miller .us. Page 30: Adeam silk dress, price available upon…