Katy Perry Says She's 'With Madame President' As She Campaigns with Hillary Clinton in Philadelphia!

Katy Perry continues to show her support for Hillary Clinton during a Get Out The Vote concert on Saturday night (November 5) at the Mann Center for the Performing Arts in Philadelphia, Pennsylvania. The 32-year-old entertainer rocked a blue cape with sequined lettering reading, "I'm with Madame President” on it. PHOTOS: Check out the latest