Pentatonix Cover Pharrell Williams’ ‘Happy’ [VIDEO]

Pharrell Williams' song 'Happy' has been danced to all over the world, and now it has been covered by famed a capella group, Pentatonix.

This version will definitely bring a smile to music lovers' faces as the group shows off their incredible vocal range.

I still favor the original, but what do you think of this fun version?