Forgotten portraits of Princess Anne show her youthful beauty as she celebrates her 70th birthday

The Queen's only daughter, Princess Anne, is celebrating a milestone birthday on Saturday. To celebrate, Tatler has gone back through the archives to find largely forgotten portraits of the royal in her glamorous youth. Including several shot by Norman Parkinson, who became her photographer of choice after taking her 19th birthday portrait, these intimate snapshots show a young woman completely in command of her beauty