The Princess of Wales, 42, boasted a close friendship with the Duke of Sussex before he and his wife, Meghan Markle, quit royal life and moved to the US in 2020.

King Charles and Kate Middleton joined other members of the royal family on their Christmas Day walkabout this year after both having undergone cancer treatment

George, 11, Charlotte, 9, and Louis, 6, walked alongside their parents Prince William and Kate, the Princess of Wales, as members of Britain's royal family made their way into St. Mary Magdalene Church for their traditional Christmas Day service.

Bond explained that some of Middleton's previous birthdays have had complications, with her saying the special occasions being "overshadowed by events: Harry and Meghan announcing they were stepping back from royal duties on 8 January, 2020, then Harry releasing his book, Spare, on 10 January, 2023."

A royal insider believes Kate Middleton may be planning the biggest royal family reunion involving Prince Harry in the new year.

Kate Middleton and Prince William have spent many happy times together over the years, but before they tied the knot they had to spend some festive seasons apart