The covers are shot by Giampaolo Sgura. (source)
Click here to view last year cover featuring Ysaunny Brito, here to view 2015 cover featuring Catherine McNeil, here to view 2014 cover featuring Karolina Kurkova, here to view 2013 cover featuring Hana Jirickova, here to view 2012 cover featuring Ginta Lapina, here for 2011 cover with Crystal Renn, and here for 2010 cover with Isabeli Fontana.