Chicago radio B96 Pepsi Jingle Bash,Allstate Arena,Rosemont, IL,Katy Perry,Rosemont, Illinois,new york gossip gal
Credit: Adam Bielawski/WENN.com

Katy Perry performed at the B96 Pepsi Jingle Bash at the Allstate Arena in Rosemont, Illinois last month. Also rockin’ out Camilla Cabello, Marshmello, Normani and more.