The Muppets recently teamed up with YouTube star Mike Tompkins for an a cappella cover of Echosmith's Platinum single, “Cool Kids.” Check out hilarious video below and leave us a comment with your thoughts. 

Video: Watch Echosmith perform on ‘Late Night With Seth Meyers’

Echosmith will perform live on the American Idol finale next Wednesday. They will appear alongside Fall Out Boy, Jamie Foxx, Vance Joy and Nile Rodgers. Fans can tune in to Fox from 8:00-10:06 p.m.