Fincher, who in 1998 published “Diana Portrait of a Princess” — a collection of her images featuring the late Princess Diana — remembers first snapping the late royal in 1980 when it was rumored the blonde blue-eyed teen was dating Prince Charles. She would go on to photograph the royal family and closely document Prince William and Harry as they grew up.

As someone who was once so close to the family, Fincher believes the current state of affairs amongst the royals would likely be upsetting to the late Diana. “[She] would be heartbroken, particularly as the boys have gone through so much together.”

“[Diana] would be doing everything she could to try and solve it,” Fincher tells Page Six. “She’d be doing everything to be the peacemaker. She’d be shaking the boy’s heads together saying, ‘For goodness sake. What’s going on here?’ and I think she’d be trying to make peace between the girls, too.”

Fincher also tells Page Six that she believes the boys’ father, Prince Charles, is likely upset by the strained relations his son’s share.

“Charles must be broken-hearted because he’s extremely close to those boys. All through that period of grieving, they were close,” she says. “That must be very devastating for him.”

Fincher says William and Harry were extremely close as children “because they did everything together.” She describes them as “normal boys, full of energy, [who] couldn’t sit still, [and were] very funny.”

But she also notes that the boy’s personalities were very different, even at a young age.

“Harry was quite a confident little boy actually and William was the unconfident one,” Fincher tells Page Six. “Harry was always the one who really wasn’t perturbed by the media or photographers. William had his head down like his mum in the early days, really hating every minute of it.”

“Harry seemed such a happy young man,” Fincher notes. “When I watched that last documentary on him, it made me want to cry. I felt so sad for him. He’s really struggling.”

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