When it comes to 'It'-girl outerwear, puffer coats, peacoats and barn jackets have all reigned supreme this winter. But with spring on the horizon (even though it doesn't feel like it), trench coats are currently the style to watch - and, of course, shop. Fashion icon Martha Stewart recently reignited our interest in the seasonal trend after she shared a behind-the-scenes look during her appearance on the Today show.