Photos from the Inaugural Ball at the Washington Convention Center during the 57th Presidential Inauguration in Washington D.C.

 U.S. President Barack Obama and First Lady Michelle Obama dance at the Commander in Chief's inaugural ball in Washington, January 21, 2013. REUTERS/Rick Wilking (UNITED STATES - Tags: POLITICS)

 President Barack Obama and first lady Michelle Obama dance together at the Commander-in-Chief Inaugural Ball in Washington, at the Washington Convention Center during the 57th Presidential Inauguration Monday, Jan. 21, 2013. (AP Photo/Jacquelyn Martin)

 U.S. first lady Michelle Obama, wearing a Jason Wu dress, and U.S. President Barack Obama wave at attendees at the Commander in Chief's ball in Washington, January 21, 2013. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS ENTERTAINMENT)

U.S. President Barack Obama and first lady Michelle Obama arrive at the Inaugural Ball in Washington, January 21, 2013. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS ENTERTAINMENT)

Jennifer Hudson sings as U.S. President Barack Obama and first lady Michelle Obama dance at the Inagural Ball in Washington, January 21, 2013. REUTERS/Shannon Stapleton (UNITED STATES - Tags: POLITICS ENTERTAINMENT)

Alicia Keys performs at the Commander in Chief's Ball during presidential inauguration ceremonies in Washington, January 21, 2013. REUTERS/Brian Snyder (UNITED STATES - Tags: POLITICS ENTERTAINMENT)

 Jennifer Hudson performs at the Commander in Chief's Ball in Washington, January 21, 2013. REUTERS/Rick Wilking (UNITED STATES - Tags: POLITICS ENTERTAINMENT)

U.S. President Barack Obama (2nd from R) and first lady Michelle Obama (L) dance with members of the U.S. miltary at the Commander-in-Chief's Ball in Washington, January 21, 2013. REUTERS/Brian Snyder (UNITED STATES - Tags: POLITICS ENTERTAINMENT MILITARY)

 U.S. President Barack Obama and first lady Michelle Obama dance at the Inaugural Ball in Washington, January 21, 2013. REUTERS/Shannon Stapleton (UNITED STATES - Tags: POLITICS ENTERTAINMENT TPX IMAGES OF THE DAY)

This combo image shows first lady Michelle Obama as she arrives at the Inaugural Ball in Washington on Jan. 21, 2009, left, and Jan. 21, 2013, right. Michelle Obama made it a fashion tradition Monday night, wearing a custom-made Jason Wu gown to the inaugural balls. The ruby-colored dress was a follow-up to the white gown Wu made for her four years ago when she was new to Washington, the pomp and circumstance, and the fashion press. (AP ...

President Barack Obama and first lady Michelle Obama dance during the Commander-In-Chief Inaugural ball at the Washington Convention Center during the 57th Presidential Inauguration Monday, Jan. 21, 2013 in Washington. (AP Photo/ Evan Vucci)

President Barack Obama bows as he and first lady Michelle Obama, wearing a ruby colored chiffon and velvet Jason Wu gown, gets ready to dance as singer Jennifer Hudson, right, sings Al Green's "Let's Stay Together" at the Inaugural Ball at the Washington Convention Center during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Charles Dharapak)

U.S. President Barack Obama and first lady Michelle Obama dance at the Inaugural Ball in Washington, January 21, 2013. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS ENTERTAINMENT)

 U.S. President Barack Obama and first lady Michelle Obama arrive at the Inaugural Ball in Washington, January 21, 2013. REUTERS/Shannon Stapleton (UNITED STATES - Tags: POLITICS ENTERTAINMENT)