The cover is shot by Juergen Teller. (source)
Click here to view last year cover featuring Anna Ewers, here to view 2017 cover featuring Christy Turlington, here to view 2016 cover featuring Kendall Jenner, here to view 2015 cover featuring Julia Nobis, here to view 2014 cover featuring Natasha Poly, here to view 2013 cover featuring Vanessa Axente, here to view 2012 cover featuring Kati Nescher, here to view last year October cover featuring Doutzen Kroes, here for 2010 cover with Anja Rubik, and here for 2009 cover, their 30th anniversary special issue.