Shall We Dance?

Swan Lake
"Risque" shredded organza halter gown with ribbon detailing, $20,000, by Reem Acra, reemacra.com. "Iris" satin ankle-wrap sandal, $425, by Badgley Mischka, badgleymischka.com. 18-karat white gold "Gypsy" earrings with pink-and-white diamonds, price upon request, by Graff, graffdiamonds.com. Large flower diamond cuff bracelet, $31,500, by Vera Wang, verawang.com.