Britain's King Charles III greets House Speaker Mike Johnson flanked by US Vice President JD Vance as he arrives to address a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

Britain's King Charles III departs after addressing a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kent NISHIMURA / AFP via Getty Images)

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

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

House Speaker Mike Johnson, US Vice President JD Vance and Queen Camilla applaud as Britain's King Charles III addresses a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

Britain's Queen Camilla shakes hands with US Interior Secretary Doug Burgum after King Charles III addressed a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kent NISHIMURA / AFP via Getty Images)

Britain's King Charles III greets Former Supreme Court Associate Justice Stephen Breyer following 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 SAUL LOEB / AFP via Getty Images)