CNN  —  Mariah Carey is finally ready. After recently posting some videos poking a bit of fun at her reputation as the “Queen of Christmas,” the superstar singer used Halloween to officially launch the winter holiday season. Carey leaned into the spookiness of it all, dressing up with a dance partner as Morticia and Gomez Addams from “The Addams Family.” After some dancing and antics, a red holiday dress appears with a countdown. “IT’S TIME!!!! ⏱️🎉🎄,” the caption reads. View this post on