Katy Perry, Usher perform at kids inaugural concert
72943825
Credit: Getty Images
WASHINGTON, DC - JANUARY 19: The musician Katy Perry sings during the children's concert at the Washington Convention Center to celebrate military families on January 19, 2013 in Washington, DC. The U.S. capital is preparing for the second inauguration of U.S. President Barack Obama, which will take place on January 21. (Photo by Joe Raedle/Getty Images)
Other Slideshows
Photos: Man City-Chelsea to battle at Busch Stadium
Photos: Dick Trickle through the years
Photos: Viewer photos of Texas tornadoes, storms
Photos: $1,000,000 worth of pot found in grow house
Photos: David Beckham through the years
Photos: North Texas tornado damage, aftermath