Queen Elizabeth II lost her younger sister Princess Margaret to a stroke in 2002, only a couple months before the death of the Queen Mother. Following the tragic loss of her sibling, the monarch found "another sister" in her personal assistant and senior dresser Angela Kelly, according to royal expert Angela Mollard. Speaking to the Royals podcast, Ms Mollard said: "This is a very special friendship between this 61-year-old dresser and the 93-year-old monarch.
"To such an extent that people say she is almost like another sister to the Queen after she lost her real sister, Margaret.
"There’s been conversations about Angela recently because the Queen has apparently given permission to write a book about their friendship. Very little is known about it."
In the past, Ms Kelly shed some light on her relationship with the sovereign but the senior dresser is expected to discuss their unusual friendship in a book she is set to write after securing the Queen's consent.
Ms Mollard continued: "Angela Kelly did say, back in 2007, that ‘we are two typical women – we discuss clothes, makeup, jewellery. We say, would that piece of jewellery look nice with that outfit and things like that.’
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The Queen found "another sister" in Ms Kelly after the death of Princess Margaret (Image: GETTY)
The Queen has been relying on Kelly's fashion expertise since 2002 (Image: GETTY)
"She has gone on to say that, at times, her closeness to the Queen had caused jealousy among other members of staff. She once jokingly said, ‘I don’t have any more room for knives in my back.’
"She also said, ‘I don’t know why the Queen seems fond of me but, because I don’t give her an easy time'."
The royal expert also suggested the Queen created a code among staffers to signal her intention to meet with Ms Kelly for tea and have a "hilarious time together" while chatting about their "grandchildren and great-grandchildren."
She added: "There’s a bit of