The seasonal 103.3 KISS FM Jingle Ball mega-show featured brief appearances from a long list of pop stars including Iggy Azalea, Calvin Harris, Demi Lovato, Fall Out Boy, Magic!, Charli XCX, Meghan Trainor, Jessie J and Keisza at the Allstate Arena in Rosemont.

Check out some of photos of the concert!!

Iggy-Azalea

Iggy Azalea at the 103.3 KISS FM Jingle Ball 2014 at Allstate Arena

Demi-Lovato

Demi Lovato at the 103.3 KISS FM Jingle Ball 2014 at Allstate Arena

OneRepublic

OneRepublic at the 103.3 KISS FM Jingle Ball 2014 at Allstate Arena

Rita-Ora

Rita Ora at the 103.3 KISS FM Jingle Ball 2014 at Allstate Arena

Fall-Out-Boy

Fall Out Boy at the 103.3 KISS FM Jingle Ball 2014 at Allstate Arena

Kiesza

Kiesza at the 103.3 KISS FM Jingle Ball 2014 at Allstate Arena

Photos: Daniel Locke/PRphotos