The Duchess of Cambridge celebrated the world of mental health service Shout, which was set up with Prince William, Prince Harry and Meghan Markle in 2019, shortly before Harry and Meghan announced they were stepping back as senior royals.
Royal biographer Robert Jobson said the visit highlighted the “irreparable” relationship between the four.
Mr Jobson said: “When Kate turned up at Shout’s Notting Hill office on Wednesday to mark their millionth text, she was relaxed and very well informed.”
He continued: “If could have been a ‘Fab Four’ day out if things had been different – but that ship has long sailed.”
Kate replaces Prince Harry! Duchess of Cambridge snatches key role from Duke of Sussex
Kate Middleton is set to replace Prince Harry in a key role following the Duke’s decision to give up his patronages.
Kate, 40, looks set to be unveiled as the new patron of the Rugby Football Union (RFU) as Eddie Jones’ side prepare for yet another Calcutta Cup clash in their opening game of the Six Nations on February 5.
However, Kate could find herself in a difficult position on February 26 when England face reigning Six Nations champions Wales at Twickenham.
Prince William, 39, has served as the patron of the Welsh Rugby Union since 2016 and even found himself wearing a scarlet jersey next to his brother when Wales beat England 28-25 in the 2015 Rugby World Cup.
The grudge match between England and Wales could add yet another competitive element to the couple’s relationship.
There could be rugby rivalry in the Cambridge household
Prince William ‘ready to become King’
As the Duke of Cambridge comes to terms with his role in the royal hierarchy, fan Christina Garibaldi told the Royally Us podcast William has now “grown into the role” as a leading senior member of the Firm.
She said: “I feel like he has really accepted this role in the last couple of years.”
It comes as Prince William begins to take on “heavy duties” with a trip to Dubai while the Queen starts to “back down”, according to royal biographer Angela Levin.
Prince William has ‘grown into the role’ of second-in-line to the throne, royal fans argue