Beyonce sings for President Barack Obama and first lady Michelle during the Neighborhood Inaugural Ball in Washington, January 20, 2009
Singer Mariah Carey performs during the Neighborhood Inaugural Ball in Washington January 20, 2009
Shakira performs at the Neighborhood Ball in Washington Tuesday, Jan. 20, 2009
Singer Alicia Keys performs during the Neighborhood Inaugural Ball in Washington January 20, 2009. Barack Obama took power as the first black U.S. president
Entertainers (L-R) Beyonce, Alicia Keys and will.i.am perform during the Neighborhood Inaugural Ball in Washington January 20, 2009. Barack Obama took power as the first black U.S. president
President Barack Obama, center, dances on stage with invited guests during the Neighborhood Inaugural Ball in Washington
Stevie Wonder and Sting perform at the Neighborhood Ball in Washington Tuesday, Jan. 20, 2009