Royal Couple Drive Through City The Queen and the Duke of Edinburgh attended a luncheob at the Mansion House , London given by Lord Mayor , Sir Noel Bowater , and the Corporation . Queen Elizabeth the Queen Mother , Princess Margaret , the Duke and Duchess of Gloucester , The Prime Minister and Members of the Cabinet also attended Here Her Majesty the Queen addresses at the luncheon at Mansion House . From left to right , the Archbishop of Canterbury , Dr Fisher , the Queen Mother , the Lord Major Sir Noel Bowater , H . M the Queen , the Duke of Edinburgh , the Lady Mayoress , the Duke of Gloucester , Princess Margaret and the Prime Minister Sir Winston Churchill 19th May 1954