From left: White knit dress with sequined camellias, price upon request, by Chanel, 800-550-0005. Crystal bracelet, $39, by Mirror Mirror On the Wall. Tuxedo, about $1,995; shirt, about $360, both by Ermenegildo Zegna. Bow tie, $45, by Brooks Brothers. Shoes, $480, by Cesare Paciotti. Black flutter dress, about $415, by Theory. Agate-bead necklace, $540, by Two Blonde Lizzards. Sandals, $275, by Stuart Weitzman. Tuxedo, about $1,595; shirt, about $225, both by John Varvatos. Tie, $95, by Thomas Pink, 212-838-1928. Shoes, $430, by Dior Homme by Hedi Slimane.