The covers are shot by Milan Zrnic. (source)
Click here to view last year cover featuring Stella Lucia, here to view 2017 cover featuring Othilia Simon, here to view last year cover featuring Amanda Wellsh, here to view 2015 cover featuring Nils Schoof and Lou Schoof, here to view 2014 cover featuring Missy Rayder, click here to view 2013 cover featuring Jessica Stam.