Demi Lovato covered Mariah Carey's "All I Want For Christmas" at 'Christmas in Washington 2012' and she totally slayed! The 'X Factor USA' judge belted out some awesome vocals! Watch video below!
Taped on December 9th at the National Building Museum in Washington, DC and broadcasted on Friday, December 21st on TNT, the 2012 'Christmas in Washington' special - hosted by Conan O'Brien - saw a select group of artists perform before US President Barack Obama as it is tradition now around this time every year. Demi Lovato opted to sing Mariah's huge holiday hit "All I Want For Christmas" and she did extremely good. She stepped on stage confident, and wowed everyone with some solid vocals. Love it!