USHER,BEYONCE,LADY GAGA,KATY PERRY AND OTHERS SET TO PERFORM IN OBAMA S INAUGURATION FESTVAL

The larger-than-life pop star will sing at Tuesday's ball for White House staffers, a person familiar with the inauguration let slip today.

The staff ball is typically a private affair and last time around Obama's people were treated to a special performance from the President's good pal Jay-Z.

Performance: Larger-than-life popstar Lady Gaga, pictured, will sing at Tuesday's ball for White House staffers

Reprising her role: Beyonce will appear at the second inaug

US PRESIDENT BARACK OBAMA SWORN IN FOR SECOND TERM(PHOTOS)

President Barack Obama was sworn into his second term on Sunday at noon in front of only his wife and two daughters in a simple service. His younger daughter Sasha said 'Good job, Daddy!' after he correctly recited the oath of office.
'I did it!' he gleefully responded. Sure to keep him on his toes, he followed that up with a quick 'You didn't mess up!'

Keeping it brief: Mr Obama had his immediate family beside him at the ceremony, but reports also say that his other relatives were also present but out of the camera's line