Jimmy Fallon and Robin Thicke and The Roots Play "Blurred Lines"

Joined by Robin Thicke and The Roots, Hamptonite and new father Jimmy Fallon was back in the Late Night “music room” and rocking out a version of Thicke’s “Blurred Lines” with children’s instruments this week.

Typically made before the show, these videos are always an audience favorite. And really, who doesn’t love it when Fallon breaks into song? He’s even been known to do it on random nights in the Hamptons. Betcha can’t help but grin watching this one.

Without further ado…