A royal expert has claimed that the royal family "would crumble without Kate Middleton" as Prince Harry may be in the works to "target Camilla in book".
Tina Brown, in her new book The Palace Papers, wrote: "In 2011, the question mark over Kate Middleton was whether a girl of such unexalted origins could successfully evolve into a future Queen."
She added: "Now the only question is how the House of Windsor could survive without her."
Brown went on to claim: "[The Royal Family] would, I think, crumble at the moment without her because she’s the only modern, beautiful woman who’s well-educated, substantial in herself, who’s actually wanting to commit herself to the rigors of this institution. Not many young women could do that."
Furthermore, there are speculations that Harry could take a jab at Camilla in his sensational new tell-all book.
A source told The Telegraph that the Duke of Sussex "needs a new target and [Camilla] will do".
They added: "I'm sure he will say some unkind things about her, or try to make her a 'baddy', but that doesn't mean it's real."