The Voice judges Christina Aguilera and Blake Shelton showed the show's aspiring singers just how it's done when they belted out their new duet on Monday night.

What is sure to top Moves Like Jagger, Aguilera's pop song with Voice judge Adam Levine, on the charts, the ballad titled Just a Fool calls out the outstanding vocals of both singers and in turn, pulls on the heartstrings a little.

What do you think of Aguilera and Shelton's duet? Play music critic!