ON OUR COVER: Photographed by Danilo Hess. Hair by Hikari using Shu Uemura Art of Hair. Makeup by Viktorija Bowers for Kate Ryan Inc., using Lancôme. Corset with embroidered Chantilly lace, $3,630; signature hand-tufted skirt in silk faille, $3,520; bow belt, $330, all by Monique Lhuillier. moniquelhuillier.com. Diamond earrings in 18K white gold from the Firmamento Collection, $13,350; three-strand necklace in 18K white gold with over 14cts. of diamonds, $61,400, both by Favero Arte Italiana; faverojewels.com, 212.752.6100. Platinum engagement ring with split-shank mounting and a 2.02ct. diamond from the Wondrous Collection, $41,790 by Hearts on Fire; michaelcfi na.com, 800.289.FINA.