Britney Spears just bumped herself up to Tinkerbell status. The pop princess, 39, dropped one heck of a dance display by her Christmas tree this weekend, even delivering two videos for her 27.1 million Instagram followers. Britney, recently in the news for chopping off her long blonde hair for a fresh, pre-Xmas do, was back to delivering her legendary L.A. home dance moves – if you aren't familiar with them, they almost always see the "Toxic" singer barefoot and in tiny shorts. Check out the action below.