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DNCE made us believe in Santa Claus once again during their energetic set at our 2015 iHeartRadio Jingle Ball hosted by Z100 when a batch of folks dressed as Saint Nicholas appeared onstage at the end of their performance.

During their Friday night (December 11) set at New York City's Madison Square Garden, the Joe Jonas-fronted band zipped their way through tunes like "Pay My Rent," Toothbrush," but the real shining moment was during their festive performance of "Cake By The Ocean."

Believe us when we say it was a festive performance of tune, where one of the Santa Claus members lost his pants, a unicorn appeared on screen and Joe ran into the MSG sea of fans to finish up the tune. 

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If you missed out on all the action, consider this your holiday gift. You'll be able to relive the night on The CW during a special 90-minute broadcast on December 25th and 30th at 8 p.m. ET/PT -- so put on your Santa hats, grab some gingerbread cookies, and tune in!

Photo: Getty Images