SHE was the Queen's party-loving younger sister, known for smoking 60 cigarettes a day, high-profile romances and iconic style.
But in later life, Princess Margaret was plagued by health issues which saw her glamorous lifestyle replaced by hospital stays and agonising pain.
Margaret's declining health is seen the new series of The Crown, which shows her clutching an oxygen mask to her face after undergoing lung surgery.
Yet the scenes, starring actress Helena Bonham Carter as Margaret, are only a glimpse into the chain-smoking princess' lengthy battle with ill health - from strokes and a nervous breakdown to a horrific bath accident.
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