



A photoshoot revealing a tougher and sexier side of�Girls' Generation's YoonA has been revealed.



YoonA looked fierce as she struck strong poses and expressions through the October issue of the fashion magazine, 'Harper's�Bazaar'.



The idol effortlessly pulled off all black ensembles even modeling trendy pieces like a military-inspired coat.



In related news, Girls' Generation will be releasing their sixth Japanese single, "Flower Power", on November 14th.



Check out more photos below!



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