Lady Gaga to perform for Obama

Lady Gaga is set to perform for US President Barack Obama's staff for his upcoming inauguration. Picture: AP Source: AP

WATCH out Beyonce and Katy Perry. There's another diva set to perform during the inauguration festivities - Lady Gaga.

A person familiar with the inauguration tells The Associated Press that the pop star will perform at Tuesday's ball for White House staffers.

The source spoke on condition of anonymity because that person wasn't authorised to publicly reveal the information.

The staff ball is typically a private affair. Rapper Jay-Z reportedly performed at the staff ball During the last inauguration festivities,

According to one attendee, Jay-Z rapped a riff on one of his hit songs, 99 Problems but George Bush Ain't One, to the delight of the throngs of young staffers who worked to elect Obama in 2008.