She is wearing Prada on the cover shot by Mariano Vivanco with styling by Olga Dunina. (source)
Click here to view last year cover featuring Daphne Groeneveld, here to view 2014 cover featuring Isabeli Fontana, here to view 2013 cover featuring Karmen Pedaru, here to view 2012 cover featuring Natasha Poly, here to view 2011 cover featuring Daria Strokous, here for 2010 cover with Laetitia Casta and here for 2009 cover with Dree Hemingway.