Jimmy Fallon and Miley Cyrus are two adults who act like children, though in different ways. Fallon lets out his inner child with kindergarten instrument sing-a-longs, and a variety of ludicrous games. Miley Cyrus is childlike in her general aesthetic and immaturity (shout out to her butterfly clips in this video). The two joined forces for a festival of nostrils and chins, a silly romp that will delight the child in you.

Next time, let's hope they take on this dude's look: