Five members of WJSN/Cosmic Girls make a cover of their role model, Mamamoo's song "You're The Best".

The girls are full of vigor and very energetic singing and dancing along to the song. They seem to really enjoy the song and impress their fans with their good vocals. With a touch of cuteness and adorable antics in front of the camera, here's "You're The Best" performance by Cosmic Girls for you!