Luigi Murenu and Daniele + Iango photographed the original supermodel (in Schiaparelli Haute Couture) for the April cover of Vogue Germany. (source)
Click here to view last year cover featuring Tina Turner, here to view 2012 cover featuring Iris Strubegger, here for 2011 cover with Britt Maren, and here for 2010 cover with Diane Kruger.