LONDON, ENGLAND - APRIL 21: Queen Elizabeth II acknowledges the audience after a speech by Prince Charles, Prince of Wales at the end of a star-studded concert to celebrate the her 92nd birthday at the Royal Albert Hall on April 21, 2018 in London, England. The Queen and members of the royal family are guests of honour at the celebration, which is being billed as The Queen's Birthday Party. (Photo by Andrew Parsons - WPA Pool/Getty Images)
