Mariah Carey Dresses as Morticia Addams for Halloween, Declares ‘It’s Time’ for the Holidays

James Devaney/WireImage It’s time! The Queen of Christmas, Mariah Carey, officially declared the beginning of the holiday season via Instagram on Friday, November 1. The “All I Want for Christmas Is You” singer shared a video of her dressed as Morticia Addams from The Addams Family for Halloween, dancing with an actor dressed as Gomez…