Celebrities' Elf On A Shelf -- Spreading Holiday Magic One Prank At A Time

While kids are certainly trying to make their way onto Santa's nice list, plenty of parents -- including your favorite celebrities -- are being a little naughty by pranking their children into behaving well this holiday season. We're, of course, referring to the annual Elf on a Shelf tradition ... where parents discreetly hide Santa's helper around the house in order to keep an eye on the kiddos -- and report…