William, Duke of Cambridge will celebrate his 40th birthday with his wife Kate Middleton later this summer. His grandmother the Queen will likely attend. Her Majesty will throw a combined 40th birthday party for Prince William and Catherine later this summer, after the Duchess' own celebration on January 9 was cancelled owing to increasing Covid rates. The Duke and Duchess will celebrate his 40th birthday at Windsor Castle or Sandringham. A royal source told The Mirror that the monarch, who has had mobility challenges in recent months, won't confirm her participation until the party. Senior royals, including the Prince of Wales and Duchess of Cornwall, are expected to attend, per royal custom. Prince William turned 40 on Tuesday and celebrated by posting images with a Big Issue salesperson. The Duke shared the images after vowing to fight homelessness. #RoyalInsider #PrinceWilliam #QueenElizabeth #KateMiddleton About the channel: Royal Insider Channel is delighted to share news aggregated daily about royal families around the world, especially interesting stories, news about the British royal family. Stay up to date with Queen Elizabeth II, the Duke and Duchess of Cambridge, The Duke and Duchess of Sussex, ... as they attend events, and fascinating stories about royal traditions, their fashion and lifestyles, and relationships among royals. To get latest videos please subscribe to the channel: https://bit.ly/3jGLOsA Videos at Royal Insider can use copyrighted content based on fair use laws (null) and (https://en.Wikipedia.org/wiki/Fair_use) For copyright matters relating to the channel please contact us directly at : SharonDieben@outlook.com