Judi added: “Her ‘less is more’ style of communication involves very little drama and a lot of stoicism but there are always moments that resonate or ‘touch’ her audience.

“William’s speeches are more conversational and he seems able to adopt a more natural style, making him sound relatable and accessible.”

Charles needs to bring his speeches up to date with modern times, Judi argued.

She added: “Charles, however, seems to have adopted a very historic royal style of delivery here, speaking in short bursts rather than a fluidity that might imply spontaneity of thoughts or emotions and a rigidity of tone that prevents him from sounding relatable.”