The Academy Award nominated actress is wearing a bold and bright Junya Watanabe Spring 2015 outfit on the cover. (source)
Click here to view 2014 cover featuring Natasha Poly, here to view 2013 cover with Vanessa Axente, here to view 2012 cover featuring Saskia de Brauw, here for 2011 cover with Karen Elson, and here for 2010 cover with Abbey Lee Kershaw.