A voluminous French twist plus a single crystal-studded hair comb add up to a hairstyle that has an au courant feel yet is still quite classic.

Rhodium-plated comb with Swarovski crystals, Regina B., $657; 212-643-2939. Antique diamond earrings, Fred Leighton, price on request; 212-288-1872. Silk charmeuse gown, Jim Hjelm, $2,200; 800-686-7880.