Filmed in New York City at Madison Square Garden, the concert special will feature the singer-songwriter performing a repertoire of Carey's festive holiday hits, including the perennial favorite, "All I Want for Christmas Is You".

Faced with a holiday cheer crisis, the North Pole knows there's only one person who can save the day: Santa's great friend Mariah Carey. The Queen of Christmas creates a fabulous and star-studded spectacular to make the whole world merry!

When young Mariah sees a darling little puppy named "Princess" at the pet store, she suddenly knows exactly what she wants for Christmas. But before her Christmas wish can come true, she must prove that she can dog-sit her uncle's dog, Jack, a scraggly rascal; in fact, the worst dog in the county!