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Calvin Harris turned the iHeartRadio Jingle Ball hosted by Z100 into a full on rave during his performance. His set included his Motion hits like "Summer" and "Blame," while the crowd sang along to some Calvin classics like "Sweet Nothing."

Calvin's iHeartRadio Jingle Ball performance was FULL of flashing lights, lasers, confetti drops, and a ton more special effects as the beats poured out of the speakers in Madison Square Garden. 

When Calvin clapped his hands...

... the audience clapped their hands.

All of Madison Square Garden was out of their seats and dancing the night away ... even with the fallen streamers. 


Photo: Getty Images