He looked dapper in white tie; she was resplendent in a crimson Jason Wu gown. Official caption:

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WASHINGTON, DC - JANUARY 21: U.S. President Barack Obama and first lady Michelle Obama dance during the Commander-In-Chief's Inaugural Ball January 21, 2013 in Washington, DC. Obama was sworn in today for his second term in a public ceremonial swearing in.. (Photo by Joe Raedle/Getty Images)

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