The four-year-old delighted the public with his cheeky antics during the Platinum Jubilee Pageant.
Mike Tindall said that "there were a lot of sweets" passed around when the children watched the parade.
A royal insider claimed that Prince William is "still wary of spending any alone time" with his brother.
The four-year-old appeared to have a tantrum while watching the Platinum Jubilee Pageant.
The Duke and Duchess of Sussex made their first public appearance in the U.K. since Megxit at the Platinum Jubilee celebrations.
The Duke and Duchess of Sussex watched the Trooping the Colour parade and joined the Thanksgiving service.
The Duchess of Sussex was photographed looking relaxed as she chatted with Mike and Zara Tindall's daughters.
Duncan Larcombe said it is "clearly a trip not to let bygones be bygones and heal a rift" but specifically for them to honour the Queen.
The Duke and Duchess of Sussex will reportedly celebrate their daughter's birthday on June 4 at Frogmore Cottage.
The brothers have reportedly been sending WhatsApp messages and doing FaceTime calls with their children.
The four days of events begin on Thursday with the traditional "Trooping the Colour" military parade in central London
Duncan Larcombe said the Duke and Duchess of Cambridge want to ditch their titles during royal visits because they want to be seen as approachable.
Royal biographer Ian Lloyd says the couple will not get anywhere near Prince William and Kate Middleton because of their Oprah interview.
The Duke and Duchess of Sussex will bring their children Archie and Lilibet to the celebrations in June.
The Duke and Duchess of Sussex briefly reunited with the Queen, Prince Charles, and Camilla at Windsor Castle on April 14.
The Duke and Duchess of Cambridge want to move to Adelaide Cottage which is ten minutes away from Windsor Castle.
The Duchess of Cambridge would also turn to her mother for extra help in taking care of Princes George and Louis, and Princess Charlotte.
The Duke and Duchess of Sussex dated for less than two years before they married in May 2018.
The Duke of Cambridge is said to have a "notably short fuse" and would shout during heated arguments.
Prince Harry said in an interview that he is making sure that Her Majesty "has got the right people around her."
The Duke of Sussex once described the Duchess of Cambridge as "the sister he never had."
The Duchess of Sussex announced the release of her first Spotify podcast series in the summer.