As we swing into the holidays, what better way to get in the spirit of the season than with a little fashion advice from Simon Doonan.  Stylish author, columnist and contributor of the most fashionable places on the planet, not to mention his work as creative director with Barneys New York, Doonan is the secret weapon for trendy looks. Here, he takes some time to highlight his favorite styles and items for the winter season at Barneys NY. Get out your notepads because when it comes to winter fashion picks, this is what Simon says: