@Blake Shelton introduced @Gwen Stefani to their new holiday tradition of making a timpano dome! #FallonTonight #TonightShow #BlakeShelton #GwenStefani #Timpano

@Gwen Stefani performs “Shake The Snow Globe”! #FallonTonight #TonightShow #GwenStefani #Holiday

Jimmy, @Gwen Stefani, and @The Roots perform “Hollaback Girl” with Classroom Instruments! #FallonTonight #TonightShow #GwenStefani #TheRoots #HollabackGirl #JimmyFallon