Jimmy Fallon sings “We Are The Champions” with The Roots, Ariana Grande, Meghan Trainor, and more

In honor of the Superbowl last night, Jimmy Fallon sang the Queen classic “We Are The Champions” accapella, with everyone from The Roots, Carrie Underwood, Ariana Grande, Usher, Meghan Trainor, and many more. You can watch the video below.