The expert added: “Edward’s non-verbal signals suggest he has happily moved into a more low-key role in public, while Sophie’s confidence signals show her as being the more socially active one in the team dynamic.”

Louise may have some things in common with Sophie, but James seems to have taken after his father.

Judi said: “When the two women stand together then lean in towards one another subtly, mirroring their poses to suggest like-minded thinking.

“James clearly likes playing pranks on his sister, which could mean he’s inherited the Windsor sense of humour from his father.”