(8 of 12) Fashion Week TrendsFrom Marc Jacobs to Zac Posen to Diane von Furstenberg, all the top designers unveiled their spring collections at New York Fashion Week earlier this month. And from all the shows, there seemed to be some common threads. Here, we highlight 12 of hottest trends seen on the runway. Tent Dresses A throwback to disco days, many designers unveiled their own take on the tent dress. A fun way to play with volume and easily paired with almost anything, the styles were flirty, fun, and absolutely perfect for spring.