Before Prince Harry married Meghan Markle, he and Princess Catherine had been good friends.

In fact, she served as a close confidante to Harry for almost two decades.

For years, royal watchers loved seeing the brother- and sister-in-law interact during public engagements.

Princess Catherine and Prince Harry smiling

It was clear that they were genuinely close and shared a special bond.

Harry was just a teenager when he met Catherine in 2003.

At the time, she was dating his brother, Prince William.

Princess Catherine and Prince Harry smiling with their spouses

“I am delighted that my brother has popped the question!

“I casually mentioned that there was … a new woman in my life.

‘Who is she?”

Princess Catherine and Princess Charlotte at Meghan and Prince Harry’s wedding

“She’s an actress.

On a show called ‘Suits.’

Their mouths fell open.

Princess Catherine and Prince Harry smiling with Prince William

They turned to each other.

Then Willy turned to me and said: ‘Fk off?'”

Shortly afterHarry and Meghan’s relationshipbecame public, sources toldHello!

Princess Catherine and Prince Harry looking serious

magazinethat Catherine was very excited to meet Meghan.

And that’s how Harry said he found her when he came home that day.

“Kate hadn’t meant any harm,” he told Meghan.

Princess Catherine and Prince Harry giving each other the cold shoulder

The three royals sat down to film an interview in which they each shared their own mental health challenges.

Princess Catherine was also said to be heartbroken, according to insiders.

“She wishes she could speak to Harry.

Prince Harry and Princess Catherine talking

She misses him and fears she’ll never be close to him again,” the insider claimed.

“She’s already stretched pretty thin,” the insider said.

“It looked cold.

Princess Catherine and Prince Harry during their walkabout at the queen’s funeral

But it also felt cold,” he said.

Hours before the funeral, Catherine is said to have taken Harry aside to speak with him privately.

“She wanted to ask Harry one very simple question, ‘Why did you betray us?'”

Prince Harry staring into space

“Kate never thought in a million years that Harry would hurt his own family [like] this.

Harry and Kate were once so tight, and she can’t forget that,” the source added.

“I phoned Willy and Kate, asked what they thought.

Prince Harry looking morbid

Nazi uniform, they said.

I rented it, plus a silly mustache, and went back to the house.

I tried it all on.

Princess Catherine looking morbid

They both howled,” Harry wrote.

“William hasn’t trusted Harry and Meghan and I mean with good reason.”

“The gravity of this situation may be so large that it could melt away long-held grievances.

Prince Harry speaking

Yes, Meghan and Harry have their faults but, family is family.

Their feud could very well end immediately,” he said.

Other sources said that Catherine will only meet with Harry if Meghan isn’t part of the package.

Princess Catherine looking over her shoulder

Quinn later told theMirrorthat William and Catherine were open to reconciling with the estranged Sussexes.

“Harry would love to reconnect with Kate [Middleton]” royal author Christopher Andersen toldFox News.

Many issues still remain unresolved, and figuring out a way forward won’t be easy, Andersen said.