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President Ronald Reagan and his wife, Nancy dance Jan. 20, 1981 at an inaugural ball at the Pension Building in Washington . The President and first lady were scheduled to appear at nine ball during the evening. (AP Photo)

Fashion face-off

From Jackie O. to Lady Bird to Nancy Reagan, through the years fashionable first ladies have donned their glittery frocks and twirled into the night at the Inaugural Ball. This year, Michelle became the first Democratic first lady in at least a century to wear red the the Inaugural Ball.