The Duke of Sussex, who is currently in the Hague for the Invictus Games, has said he is not yet sure whether he or his family will attend the celebration in June.
The royal, along with his wife Meghan, made a brief pit-stop at Windsor Castle to visit the Queen while on their way to the Games last week.
However, the couple’s two children stayed at their home in California.
When speaking during an interview while at the Games, Harry said he is “trying to make it possible” for his children to meet their great grandmother.
He said: “So this is what I’m trying to do, trying to make it possible that I can get my kids to meet her [the Queen].”
The Duke had kind words to say about his grandmother and his brief visit to the Castle, saying it had been “really nice to see her” while they had “an element of privacy”.
He said: “It was so nice to see her – she was on great form.
“She’s always got a great sense of humour with me and I’m just making sure she’s protected and has got the right people around her”.
The Duke also spoke warmly about Diana, Princess of Wales, saying he speaks to his son about her and believes she is watching over them.
He said: “It’s almost as though she’s done her bit with my brother, and now she’s very much helping me get set up. He’s…