Like so many royal fans, Prince Charles is struggling to watch the ongoing rift between his sons Prince William and Prince Harry.

The 72-year-old royal has a complicated relationship with his boys, and his bond with Harry in particular has recently grown strained. But William and Harry's feud has been too much for Prince Charles to handle, according to a new report.

How Prince Charles feels about William, Harry feuding

This week, a friend of the Prince of Wales revealed to People magazine that the royal father has been left "shellshocked by it all," now multiple years into the clash between his sons.

The source added that Prince Charles is "very hurt and upset [by the ongoing fallout]." The update comes just days before the brothers will reconnect in the UK to honour what would've been the 60th birthday of Princess Diana on July 1.

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Prince Charles "very hurt and upset" by William and Harry feuding.

Ahead of the ceremony, reports revealed that William and Harry still aren't on speaking terms, though they will stand together out of respect for their late mother. The news downplayed hopes of a reconciliation, following a brief reunion at Prince Philip's funeral.

Where will Prince Charles be during Diana statue event?

As for Prince Charles's place in the upcoming meeting between brothers, the father reportedly plans to allow them to handle the tribute to his late ex-wife by themselves.

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Prince Harry Won't Reunite With Prince Charles During UK Visit: Report

The Sun has reported that Prince Charles will not even be in England for the unveiling of the Diana statue, nor does he intend to meet with his sons during their rare reunion next week.

Prince Harry could arrive in the UK any day now, and it's expected that he'll stay with his cousin Princess Eugenie at Frogmore Cottage while in the UK.

William and Kate Quiz

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Where did William and Kate meet?