The songbird, 41, will appear in an ABC special, Mariah Carey: Merry Christmas to You, to air Dec. 13 (9 p.m. ET).
Carey will sing from the historic Orpheum Theater in downtown Los Angeles, performing classics and other songs from her new holiday album, Merry Christmas II You.
The show will also feature the multi-Grammy winner surprising fans by granting their special wishes.
– Michelle Ward