It was the first royal divorce since King Henry VIII's in 1540.
They [were] very close in the first few years." However, while they both enjoyed the celebrity lifestyle, their desire to be "centre-stage" is said to have caused friction in their marriage soon after the birth of their daughter."They were both pretty strong-willed and accustomed to having their own way, so there were bound to be collisions," says De Courcy.
But there was more to the rift than a clash of personalities.
She expected her husband to be with her more, but one of Tony's strongest motivations was work.
He had a workshop in the basement of Kensington Palace, and while she was understanding of his work commitments, Margaret didn't realize it would take him away from her so much."After Sarah's birth, there were signs the royal marriage had started to crumble.
One of Margaret’s best friends, Anne, Lady Glenconner, tells Elizabeth: Our Queen, which begins on Channel 5 tonight, that the Queen thanked her after Margaret’s funeral in 2002 for introducing her to Mr Llewellyn.
With her marriage already in trouble, Margaret was introduced to Mr Llewellyn, the 26-year-old son of the showjumper Sir Harry Llewellyn.
The news came as a surprise to many, and it didn't go over well with everyone, particularly royal courtiers who would have preferred Margaret marry a wealthy aristocrat.
However, the royal family were delighted with the match.
"They all liked him very much—Tony had great charm, very good manners and he knew exactly how to behave," de Courcy explained.
"He felt devotion to the royal family, to the Queen, who he admired immensely.
According to After they returned from a six-week honeymoon aboard the royal yacht Britannia, the newlyweds moved into Kensington Palace.