Mariah Carey's All I Want for Christmas Is You

Young Mariah Carey has one Christmas wish: a puppy of her own. After spotting an adorable little dog named Princess in a pet store, she is sure she has found the perfect holiday companion. But before her family will consider making her wish come true, Mariah has to show she is ready for the responsibility by dog-sitting her uncle’s dog, Jack, a scruffy troublemaker known as the worst dog in the county.