Leaning in at the mansion's Panther Hall.
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Marchesa gown, $14,995, neimanmarcus.com; Cartier headpiece, earrings, bracelet, and ring, prices upon request, 800-CARTIER.
The grand staircase in the Cartier flagship, whose renovation was overseen by architect Thierry Despont. Pierre Cartier traded a natural-pearl necklace—then valued at $1 million—for the neo-Renaissance building in 1917.
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Valentino Haute Couture dress and bodysuit, prices upon request, valentino.com; Cartier tiara, earrings, bracelet, and ring, prices upon request, 800-CARTIER.
Dripping in diamonds in the VIP salon
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Ralph Lauren Collection dress, $4,790, ralphlauren.com; Cartier jewelry (on tray), prices upon request, 800-CARTIER; Giorgio Armani tuxedo, $3,695, shirt, $825, and bow tie, $225, armani.com; Cartier cuff links, $15,600, stud sets, prices upon request, and watch, $9,950, 800-CARTIER; Church's shoes, $615, church-footwear.com.
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Marchesa gown, $14,995, neimanmarcus.com; Cartier earrings, bracelet, and ring, prices upon request, 800-CARTIER.