This is one of Harper’s Bazaar US best covers in years. Her smile is radiant and the accompanying editorial by Alexi Lubomirski also great! (source)
Click here to view last year covers featuring Taylor Swift and Lily Donaldson, here to view 2011 covers featuring Madonna and Andrea Riseborough, here for 2010 cover with Katy Perry, and here for 2009 cover with Kristen Stewart and Robert Pattinson.