She’s wearing Louis Vuitton on the cover. (source)
Click here to view 2013 cover featuring Filippa Hamilton, here to view 2012 cover featuring Laetitia Casta, here for 2011 cover with Renee Van Seggern, and here for 2010 cover with Michaela Kocianova.
UPDATED APRIL 13th 2013: The cover was photographed by Kayt Jones and styled by Daria Anichkina.
Image via TFS.
Rianne Ten Haken wears Prada Spring Summer 2013 on the cover that was snapped by Xavi Gordo.
Image via Fashion Copious.