This year’s special is being called “The Disney Parks’ Magical Christmas Celebration.” Julianne and Derek Hough serve as hosts. Over the course of two hours on Christmas Day, viewers will get to see the Houghs and other big stars embracing all the holiday-themed fun Christmas at Disney has to offer. Vocal powerhouses Mariah Carey and Kelly Clarkson will both give performances, as will Disney stars like Sofia Carson. Also participating this time around are Garth Brooks and Trish Yearwood, OneRepublic, Gavin DeGraw and Alessia Cara.