The annual Christmas in Washington event will be headlined by X Factor judge Demi Lovato, PSY, and Diana Ross!
Conan O’Brien will be hosting the event, which is being taped for its second year in Washington D.C.’s National Building Museum.
Additional performers include Smash star Megan Hilty, former Voice contestant Chris Mann, and American Idol winner Scotty McCreery.
President Barack Obama and First Lady Michelle Obama will be in attendance.
The special will air on TNT on December 21 and will benefit this Children’s National Medical Center.
Written by Michelle Wincott