Singer Katy Perry attends the White House Correspondents' Association Dinner at the Washington Hilton Hotel on Saturday, April 27, 2013, in Washington. (Evan Agostini/Invision/AP)
Singer Katy Perry attends the White House Correspondents' Association Dinner at the Washington Hilton Hotel on Saturday, April 27, 2013, in Washington. (Evan Agostini/Invision/AP)
Beyonce is among the A-list entertainers who will be perfomring Monday at inauguration events in the nation’s capital. Kelly Clarkson, James Taylor, Stevie Wonder and Katy Perry also are expected to appear. (Associated Press)
**FILE** Singer Katy Perry attends Billboard's Women in Music 2012 luncheon at Capitale in New York on Nov. 30, 2012. (Associated Press/Invision)
Singer Katy Perry performs Oct. 24, 2012, for a crowd before the arrival of President Obama at a campaign rally in Las Vegas. (Associated Press)
Singer Katy Perry attends Billboard's Women in Music 2012 luncheon at Capitale in New York on Friday, Nov. 30, 2012. (Evan Agostini/Invision/AP)
**FILE** Singer Katy Perry attends Billboard's Women in Music 2012 luncheon at Capitale in New York on Nov. 30, 2012. (Associated Press/Invision)
Singer-songwriter Katy Perry attends the eighth annual UNICEF Snowflake Ball at Cipriani 42nd Street on Tuesday, Nov. 27, 2012, in New York. (Evan Agostini/Invision/AP)
Pop singer Katy Perry performs before President Obama arrives at a campaign event on Saturday, Nov. 3, 2012, in Milwaukee. "Forward," Mr. Obama's campaign slogan, is emblazoned on her dress. (AP Photo/Morry Gash)
