Queen Elizabeth appeared on the balcony of Buckingham Palace for the final act of her Platinum Jubilee celebrations. The 96-year-old monarch appeared for a few minutes and waved to the crowds from the balcony, where she was joined by members of her family, including the Prince of Wales, the Duchess of Cornwall, and the Duke and Duchess of Cambridge. The crowd outside the Palace sang the national anthem, after the Queen – who has been experiencing some discomfort in recent days – and her family waved on the balcony. Prior to that, the monarch appeared in the form of a hologram during the Platin…