Art Deco rhinestone straps confer cool chic on a silk-twill gown with a circle skirt, about $4,990, by Carolina Herrera, 212-249-6552, carolinaherrera.com. Satin sandals, by Chanel, 800-550-0005, chanel.com.
Beauty note: For a heady fragrance with celestial cachet, try Angel Garden of Stars Violet by Thierry Mugler.