Justin Timberlake Performs 'Sexyback' With A Barbershop Quartet On Jimmy Fallon (VIDEO)

Justin and Jimmyare definitely an amazing dynamic duo!

While performing on 2006′s smash hit “SexyBack” Timberlake showed his comic versatility on Tuesday’s Late Night with Jimmy Fallon.Fallon and the barbershop quartetknown as the Ragtime Gals joined Justin for the amazingly hilarious performance

Fallon has been adding lot’s of music to his show lately and this time he performed on the song with his special guest like never before.

Check out the hilarious barbershop quartet version of the song in the video.