Queen of Christmas Mariah Carey took to social media on Tuesday to announce a movie based solely upon her song "All I Want for Christmas Is You." She shared a teaser for the flick to Instagram, writing, "I am thrilled to be able to bring the story of my favorite Christmas song to new generations of families with my upcoming new animated movie, Mariah Carey's All I Want For Christmas Is You. What will the animated characters look like? What will the film be about?