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 … Mariah Carey, Breanna Yde, Henry Winkler, Lacey Chabert, Phil Morris, Laya DeLeon Hayes, Keiko Agena Added on Amazon Prime 2021-04-21. Youtube Trailer