Queen Camilla's sister has made a pretty rare comment on her true feelings regarding her marriage with King Charles III.
Now, Charles and Camilla first tied the knot back in 2005 - eight years after the 1997 death of his first wife, the late Princess Diana, who he was married to between 1981 to 1996 - and the pair are set to celebrate their 20th wedding anniversary later this week on Wednesday (9 April).
Ahead of the big day, Camilla's younger sister, Annabel Elliot, an interior designer and antiques dealer who is also mother to Tory politician Sir Ben Elliot, has opened up about her big sister.
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And, while Elliot may not have had experienced as much of the spotlight as her Queen Consort sister, she's clearly had no issue sharing her true feelings on her marriage with the King.
Claiming that Camilla is a 'very strong character' who 'sticks to her guns', Annabel explained in a recent exclusive (5 April) with the MailOnline: "It’s quite extraordinary when I look back at how she has coped with everything.
"She is incredibly loyal to people she loves… She is a very straightforward person. You always know where you stand."
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Annabel also gushed over Camilla’s alleged 'really good sense of humour'.
"They rather like quite a lot of things going wrong," she went on. "Things going wrong on a tour, or something like that.
"My sister is not the best person at controlling her laughter. My father would often have to separate us in church."
And when asked about King Charles and Camilla's relationship, she shared: "They have known each other for a long time, almost their entire lives.
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"Theirs, as any marriage should be, is a huge friendship."
Annabel noted that they 'key thing' behind the success of their marriage is down to the fact 'there is not really anything competitive between them'.
"She is not trying to steal his thunder in any way at all," Annabel told the outlet. "He is the King. And she will do her best to support him and be totally loyal to him."
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Annabel also noted that Camilla's sense of humour is 'the biggest gift she has given him [Charles]', adding: "It’s been such a bond between them. And even if they argue, they will always laugh."
"Like any of us, they will disagree. Strongly. They both have their different views. And they will have a very good argument," one family friend shared, explaining that the pair disagree about Charles taking time while undergoing cancer treatment.
"I think probably, particularly at the moment considering the King’s health in the last year, the main issue is that she can’t persuade him to take time out," the friend noted.
"She obviously worries about him and his [cancer] treatment. Except for the first couple of months, he’s pretty well worked every day since."
Topics: King Charles III, Queen Camilla, Royal Family, Sex and Relationships, UK News
Rhiannon Ingle