Headliners Boys Like Girls, Carly Rae Jepsen and Austin Mahone performed Thursday for hundreds of screaming fans as part of Kellogg's Pop-Tarts' Crazy Good Summer concert series.

Take a look at some behind-the-scenes footage to learn more about Boys Like Girls' new Crazy World EP and full-length album to be released in September and Austin Mahone's teenage-girl takeover at the Bean on his first trip to Chicago.