LONDON, ENGLAND - NOVEMBER 30: Prince William, Prince of Wales and Catherine, Princess of Wales with Crown Princess Victoria and Prince Daniel of Sweden stand for the national anthem during the Royal Variety Performance before the Royal Variety Performance at the Royal Albert Hall on November 30, 2023 in London, England. (Photo by Aaron Chown - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 30: Prince William, Prince of Wales and Catherine, Princess of Wales with Crown Princess Victoria and Prince Daniel of Sweden stand for the national anthem during the Royal Variety Performance before the Royal Variety Performance at the Royal Albert Hall on November 30, 2023 in London, England. (Photo by Aaron Chown - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 30: Prince William, Prince of Wales and Catherine, Princess of Wales with Crown Princess Victoria and Prince Daniel of Sweden sing the national anthem during the Royal Variety Performance before the Royal Variety Performance at the Royal Albert Hall on November 30, 2023 in London, England. (Photo by Aaron Chown - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 30: Prince William, Prince of Wales, Catherine, Princess of Wales and Giles Cooper, Chairman of the Royal Variety Charity clap during the Royal Variety Performance at the Royal Albert Hall on November 30, 2023 in London, England. (Photo by Aaron Chown - WPA Pool/Getty Images)
LONDON, ENGLAND - NOVEMBER 30: Crown Princess Victoria and Prince Daniel of Sweden arrive for the Royal Variety Performance at the Royal Variety Performance at the Royal Albert Hall on November 30, 2023 in London, England. (Photo by Aaron Chown - WPA Pool/Getty Images)