From the fail
*The Queen and senior royals are to gather to celebrate the 50th anniversary of the investiture of the Prince of Wales.
Heir to the throne Charles, the Duchess of Cornwall, the Duke and Duchess of Cambridge, the Duke and Duchess of Sussex and the Princess Royal will attend the special reception hosted by the monarch at Buckingham Palace on Tuesday March 5.*
*Buckingham Palace said the special reception in London would mark the prince’s 50 years of service to Wales, the UK and the Commonwealth, and will be an opportunity to celebrate a range of Welsh charities, organisations and businesses.
The investiture regalia worn by Charles in 1969 will be on show, including the Investiture Coronet, Sword, Ring and Rod, as well as the Letters Patent for the creation of Charles, Duke of Cornwall as Prince of Wales in 1958.*
So it sounds like it will be public but it won't be a tiara event 