(5 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. Short Shorts Seen all over the runway, short shorts don’t appear to be going anywhere soon. From trendy designer Baby Phat to edgy Proenza Schouler, everyone added their own twist to the look, including shiny satin and bright hues.