LAST UPDATED AT 12:51 ON Fri 12 Sep 2008
Zac Posen's spring collection (left) included dresses with an underlayer of Perspex. Tennis players Venus and Serena Williams join Vogue's Anna Wintour at the Zac Posen show (right)
The Spring/Summer 2009 catwalk shows have kicked off in Bryant Park, midtown Manhattan
