(Photos)Covergirl Kate! Dressed-down Duchess goes casual as she makes her debut on the front of Vogue to mark magazine's 100th birthday

 The Duchess of Cambridge has never before posed for a photo shoot in a fashion magazine - until now
In a series of portraits celebrating the 100th anniversary of British Vogue, Kate Middleton stuns as the June cover girl.
British Vogue and the National Portrait Gallery collaborated on the series of photographic portraits which show a dressed-down and casual Kate relaxing in the countryside

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