Twilight Polo Chic: Blue linen sport coat by HUGO BOSS ($495). Navy linen trousers by ELIE TAHARI ($228). Pink striped shirt by DOLCE & GABBANA ($325). Pink dress by ELIE TAHARI ($498). All available at Saks Fifth Avenue, 5300 Wisconsin Avenue NW, 202-363-2059 and Tysons Galleria, 2051 International Drive, McLean, Va., 703-761-0700; Trinity Ring, white/rose/yellow gold by CARTIER ($8,950). Cartier, the Collection at Chevy Chase, 5471 Wisconsin Avenue, Chevy Chase, Maryland, 301-654-5858. Zebra champagne clutch by JIMMY CHOO ($530). Jimmy Choo, the Collection at Chevy Chase, 5481 Wisconsin avenue, Chevy Chase, Maryland, 240-223-1102.