FILE -This Jan. 20, 2009 file photo shows Beyonce,left, singing as President Barack Obama and first lady Michelle Obama finish their dance at the Neighborhood Inaugural Ball in Washing

 

              FILE -This Jan. 20, 2009 file photo shows Beyonce,left,  singing as President Barack Obama and first lady Michelle Obama finish their dance at the Neighborhood Inaugural Ball in Washing
FILE -This Jan. 20, 2009 file photo shows Beyonce,left, singing as President Barack Obama and first lady Michelle Obama finish their dance at the Neighborhood Inaugural Ball in Washington. President Barack Obama's re-election campaign is getting a boost from pop stars Beyonce and Jay-Z. The superstar couple will hold a fundraiser with Obama on Tuesday at a swanky New York nightclub that Jay-Z owns. (AP Photo/Elise Amendola, File)