Sia's Christmas album is out Everyday is Christmas and she dropped her music video "Santa's Coming for Us" featuring Kristen Bell and Dax Shepard other celebs like Caleb McLaughlin (Stranger Things), Sophia Lillis (IT) and Wyatt Oleff (Guardians of the Galaxy Vol. 2) appear as the children; Henry Winkler and Susan Lucci show up as the grandparents; and Curb Your Enthusiasm's J.B. Smoove arrives down the chimney as Santa Claus, wow what a line-up the video is super cute watch it here !