Jennifer Hudson sings as President Barack Obama and first lady Michelle Obama dance together at an Inaugural Ball, Monday, Jan. 21, 2013, at the Washington Convention Center in Washington, during the 57th Presidential Inauguration. (AP Photo/Carolyn Kaster)
Gallery: Presidential Inaugural balls
Jan. 22, 2013 @ 01:37 PM
It's a rare event where Beyonce, Katy Perry and Jennifer Hudson aren't the headliners. But at Monday night's inaugural balls entertainment celebrities just had to mix with the powerful from politics and business.