Lynda Carter showed out in support of Diane von Furstenberg, who was honored with the covetedRuth Bader Ginsburg Women of Leadership Award during a ceremony held at theLibrary of Congress in Washington, D.C. on Friday evening.The 70-year-old Wonder Woman starflashed a wide smile while posing for a few photos on the event's red carpet, which she chose to walk barefoot.Carter slipped into a sensational sequin dress with long sleeves and modest slit up one leg.