Katy Perry performs during the Kids' Inaugural: Our Children. Our Future." event 

Katy Perry performs during the Kids' Inaugural: Our Children. Our Future." event in Washington, Saturday, Jan. 19, 2013. (AP Photo/Gerald Herbert)
Associated Press
Katy Perry performs during the Kids' Inaugural: Our Children. Our Future." event in Washington, Saturday, Jan. 19, 2013. (AP Photo/Gerald Herbert)
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