Camila Cabello, Halsey & More Heat Up Hot 99.5's Jingle Ball 2017!

Camila Cabello and Halsey tore it up on stage!

The “Real Friends” superstar and the “Bad At Love” singer-songwriter both performed at the concert series on Monday night (December 11) in Washington D.C.

PHOTOS: Check out the latest pics of Camila Cabello

Along with Halsey and Camila, concert attendees also enjoyed electrifying performances from Logic, Julia Michaels, Charlie Puth, Zedd, Liam Payne, Why Don’t We and Fall Out Boy.

“Washington DC you were on it tonight!! Thanks for making the show #iHeartJingleBall,” Liam wrote on Instagram.

20+ pictures from the event inside…