We've got video!
Check out this HIGHlarious clip of Lady GaGa showing Santa Claus what's what during a recent Monster Ball concert at the London O2 Arena (above), as we reported upon earlier!!
Hey, whatever gets you into the holiday spirit, we say!
Tags: bite, clip, concert, doll, gagaloo, grinch, hilarious, holidays, monster ball, o2 arena, santa claus, stomp, video