Problem by Ariana Grande Feat. Iggy Azalea
Boom Clap by Charli XcX
Sing by Ed Sheeran
All About That Bass by Meghan Trainor
International superstar, Katy Perry, stops in Chicago on her PRISMATIC WORLD TOUR!
Katy Perry is joined by Capital Cities, Kacey Musgraves and Tegan and Sara.