Kate Middleton’s body language with Queen shows rare ‘moments of fun’

However, she always makes sure to adhere to boundaries despite their close relationship.

“Importantly, Kate always treats the Queen in a way that HM seems to appreciate from her daughter Princess Anne, too.”

This is with “absolutely no fussing and no concessions to her age”, despite the Queen nearing 96 years of age.

Kate has stepped up recently, undertaking more royal duties and attending royal engagements when the Queen was taken ill.

For example, she stood at the centre of the balcony for a Remembrance Day service when Her Royal Highness Sprained her back.