The model is Ondria Hardin. (source)
The cover models are Kasia Struss by Walter Chin; Ine Neefs by Aitken Jolly; Ondria Hardin by Arthur Elgort; and Sora Choi by KT Auleta. (source)
Ondria Hardin is wearing Dior Couture coat on the November cover of Vogue Russia shot by Mariano Vivanco with styling by Olga Dunina. Hair and make up by Franco Gobbi and Niki MNray. (source)
Click here to view last year cover featuring Kate Grigorieva, Dasha Gold and Anya Lyagoshina, here to view 2013 cover featuring Daria Strokous, here to view 2012 cover featuring Arizona Muse, here to view 2011 cover featuring Adam Levine and Anne Vyalitsyna, here for 2010 cover with Anja Rubik, and here for 2009 cover with Daria Werbowy.
UPDATED FEBRUARY 24TH 2015: The cover was photographed by Luigi + Iango.
The casts on the fold out covers are Liu Wen, Maartje Verhoef, Ondria Hardin, Sam Rollinson, Malaika Firth, Natalie Westling, Issa Lish, Daria Strokous, Jamie Bochert and Chiharu Okunugi. (source)
Click here to view last year cover featuring Edie Campbell, here to view 2013 cover featuring Doutzen Kroes, here to view 2012 cover featuring Kate Moss, here for 2011 cover with Fei Fei Sun, Milou Van Groesen, Bambi Northwood-Blyth and Britt Maren, and here for 2010 cover with Daria Werbowy.