Queen Elizabeth II at the Royal Variety Performance wearing [Getty Images]

UNITED KINGDOM - NOVEMBER 23: Queen Elizabeth II at the Royal Variety Performance wearing 'Granny's' tiara and Cambridge emeralds (Photo by Tim Graham Photo Library via Getty Images) — see more

UNITED KINGDOM - NOVEMBER 23: Queen Elizabeth II at the Royal Variety Performance wearing 'Granny's' tiara and Cambridge emeralds (Photo by Tim Graham Photo Library via Getty Images)

Tim Graham Photo Library Tim Graham