Cover look 1: 138: Dress, $14,000; select Gucci stores. Headpiece, $5,800; Linda’s at Bergdorf Goodman, NYC. Manicure, Samantha Jackson for Pauline Briscoe. Tailor, Della George. Cover look 2: Dress and corset, priced upon request; Alexander McQueen, NYC. Earrings, $500–$700; lynnban.com. Manicure, Samantha Jackson for Pauline Briscoe. Tailor, Della George. Contributor 196: On Beyoncé: Custom suit, price upon request; Dover Street Market New York, NYC. Cuffs, price upon request; Bergdorf Goodman, NYC. Manicure, Samantha Jackson for Pauline Briscoe. Tailor, Della George. Lives 254: On Kassan (left): Dress, $2,495; Chloé stores. A.P.C. shoes, $435; A.P.C., NYC. On Gelman: Shirt ($623) and skirt ($616); Saks Fifth Avenue stores. Manolo Blahnik shoes, $625; Manolo Blahnik, NYC. V Life 284: Dress, $15,300; Valentino, NYC. Earrings, $150; Maison 10, NYC. Sneakers, $220; Hirshleifers, Manhasset, NY. Sneakers…