The source told The Sun: “The decision has been delayed repeatedly because of all the issues, but finally they have something that seems to work – and barring any problems that should be when it goes ahead.

“The Queen has asked everyone to come together to put on a united front.

“The press officers of all the palaces hope to portray the Beatrice wedding as the big event that brings the family back together again.

“Aides know this will be a tough job, but it’s all they can do not just to save the wedding, but potentially the monarchy’s reputation.”