Continuing “Justin Timberlake Week” on 'Late Night With Jimmy Fallon,' Fallon and JT topped even the discussion of his feud with Kanye West by performing a barbershop quintet version of Timberlake's hit 'SexyBack.'

Slow down, guys. It's only the second night and you're already making us giddy.

Watch the video to see several of the writers and Timberlake -- who collectively call themselves the Ragtime Gals -- perform the pretty flawless cover dressed like they're fresh off the wrapper of a pack of Fruit Stripes gum.

We promise it'll make your heart grow at least three sizes today.

If you need us, we'll just be over here reevaluating our newfound love for Justin Timberlake. As if his bromance with Jay-Z wasn't already enough.