Daily Star's biggest headlines straight to your inbox!Sarah, Duchess of York, has opened up about a piece of advice given to her by her lifelong friend Princess Diana that she says has always stayed with her.She says that when she first married Prince Andrew, she was subjected to unkind scrutiny from royal watchers, being dubbed the “Duchess of Pork” because of her weight."I had major mental health problems because of the trauma," says the Duchess, in a promotional interview for her debut novel, Her Heart for a Compass, which is due to be published on August 3.She says that while some people tried to pit her and Diana against one another, the then Princess of Wales was always a good friend to her."In the '80s, it was Diana looking.
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