Britain's King Charles III and Queen Camilla are greeted by US Senator Mazie Hirono, Democrat from Hawaii, before the King's address to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Henry NICHOLLS / POOL / AFP via Getty Images)

Britain's King Charles III speaks to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kylie Cooper / POOL / AFP via Getty Images)

Britain's King Charles III speaks to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kylie Cooper / POOL / AFP via Getty Images)

Britain's King Charles III and Queen Camilla are greeted by US Representative Brian Mast, Republican from Florida, before the King's address to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Henry NICHOLLS / POOL / AFP via Getty Images)

Britain's King Charles III and Queen Camilla are greeted by US Representative Ted Lieu, Democrat from California, before the King's address to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Henry NICHOLLS / POOL / AFP via Getty Images)

Britain's King Charles III speaks to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kylie Cooper / POOL / AFP via Getty Images)

Britain's King Charles III and Queen Camilla are greeted by US Representative and Minority Leader Hakeem Jeffries, Democrat from New York, before the King's address to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Henry NICHOLLS / POOL / AFP via Getty Images)

Britain's King Charles III speaks to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kylie Cooper / POOL / AFP via Getty Images)