She is wearing Dior on the last 2014 cover of Vogue Japan, photographed by Giampaolo Sgura. (source)
Click here to view last year cover featuring Daria Strokous, here to view 2012 cover featuring Kendra Spears, here to view 2011 cover featuring Aymeline Valade, here for 2010 cover with Sasha Pivovarova, and here for 2009 cover also with Sasha Pivovarova.
The bold colored 60s inspired covers were shot by Xevi Muntane. Esther is wearing Louis Vuitton and Dolce & Gabbana. (source)
The cover was shot by Chris Colls with modern sleek styling by Maya Zepinic. (source)