UPDATED NOVEMBER 09TH 2014: Added the newsstand cover.
This cover by Alexi Lubomirski is divine! (source)
Click here to view last year cover featuring Cate Blanchett, here to view 2012 cover featuring Marion Cotillard, here to view 2011 cover featuring Yasmin Le Bon, Helena Christensen, Cindy Crawford, Naomi Campbell, and Eva Herzigova, here for 2010 cover with Natalia Vodianova, and here for 2009 cover with Victoria Beckham.