Putting their own take on an existing song, Kelley Jakle and CJ Perry from "Pitch Perfect" covered Paramore's tune, "Ain't It Fun."

In addition to the dynamic duo, cameos from Brittany Snow and Adam Devine are also included in the music video.

Directed by Michael Alan Hoy, other vocalists featured in the remix include Scott Hoying, Kenton Chen, and Rachel Saltzman.

Prior to their collaboration in "Pitch Perfect," Kelley and CJ performed together as members of the University of Southern California 's a capella group, The SoCal VoCals. Check out the music video for "Ain't It Fun" below.