Perry sang hits like “Roar” and “Dark Horse” but also performed a heartfelt rendition of “America the Beautiful.”
Also in attendance were Senator Cory Booker, Debra Messing, Senate candidate Katie McGinty, Congressman Bob Brady, Madeleine Albright and Senator Bob Casey.
Tickets were free to the public and available on a first-come, first-served basis.
Were you there? Check out our photos by Kory Aversa.