(1 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. Florals The catwalks were abloom with traditional spring floral prints. Whether pretty and feminine like Oscar de la Renta’s or big and bold like Matthew Williamson’s, flowers are alive and well this season.