Wine Country: Multi-color dress by MILLY ($439). Available at Urban Chic, 1626 Wisconsin Avenue NW, 202-338-5398. Brown hat with white flowers by HORSE COUNTRY LTD. ($395). Visit www.horsecountrylife.com. Earrings by STEPHEN DWECK ($255). Available at Saks Fifth Avenue, 5300 Wisconsin Avenue NW, 202-363-2059 and Tysons Galleria, 2051 International Drive, McLean, Va., 703-761-0700. RUINART CHAMPAGNE ($65). Visit www.ruinart.com for more details. Tailgate catering and flowers by MARRIOTT RANCH. Visit www.marriottranch.com for more information.