Many celebrities have left sunny Los Angeles, CA, for chilly Park City, UT. Why? It's the 2009 Sundance Film Festival. As you can imagine, they've ditched their sandals and brought along heavy-duty boots. But that doesn't mean they've left behind their style. Au contraire. Ladies like Zoe Kravitz (left) have taken the cold weather as an opportunity to layer and bundle up in beanies, coats, gloves, and tights. Check out what stars are wearing on the snowy streets and red carpets.