We are set for a really cold Christmas, and an even chillier new year. Temperatures have plummeted, snow is everywhere, and the best thing we could do is stay inside. But life does go on, so the best advice fashion-mommy could give right now is wrap up. The good thing is that cold weather means a chance to show off your fabulous winter wonderland coats, scarves, hats and gloves, and prove that you can be warm and stylish, all at the same time. Celebrities are notorious for braving the winter weather without putting a coat on, but this year may prove to be the one where even the skin revealing…