‘Workaholic’ King Charles frustrated over current face of the monarchy: ‘Nightmare behind closed doors’

King Charles III is “frustrated” over the current face of the monarchy, according to his former butler.

The monarch, 75, was forced to hit the brakes on much of his royal agenda after he was diagnosed with cancer in February.

The following month, his daughter-in-law Kate Middleton revealed that she, too, is in the midst of her own

“Behind closed doors, it’s all a bit of a muddle,” Grant Harrold, who worked for Charles for seven years when he was the Prince of Wales, exclusively told The Post. “Obviously, the king is trying to get better, that’s going to be the big focus.”

She then started chemotherapy in late February after post-operative tests and results uncovered the disease.

“Kate previously spoke about coming back to work in spring, but there were talks of her not appearing at the Trooping of the Colour, so maybe we’re looking at six to nine months until we see her back in action,” Harrold told The Post.