iHeartRadio's annual Jingle Ball Tour lit up Boston's TD Garden on December 14th, 2014, bringing with it some of the industry's current heavy-hitters. Kiss 108's Jingle Ball featured performances by Charli XCX, One Republic, Rixton, Shawn Mendes, Kiesza, Iggy Azalea, Meghan Trainor, Jessie J, Calvin Harris, Magic!, 5 Seconds of Summer and special guest host Nick Jonas.
Check out the photo galleries below to see all the action from on-and-off stage:
5 Seconds Of Summer:
Iggy Azalea with Charli XCX: