Britain's King Charles III arrives with Queen Camilla to address a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by ROBERTO SCHMIDT / 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 SAUL LOEB / AFP via Getty Images)

House Speaker Mike Johnson and US Vice President JD Vance take their seats 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)

TOPSHOT - 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 SAUL LOEB / AFP via Getty Images)

US Vice President JD Vance and House Speaker Mike Johnson applaud as Britain's King Charles III 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 HENRY NICHOLLS / POOL / AFP via Getty Images)

US Vice President JD Vance and US Speaker of the House Mike Johnson wait for the arrival of Britain's King Charles III to speak 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)

Britain's King Charles III arrives with Queen Camilla to address a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by ROBERTO SCHMIDT / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: U.S. Department of Education Secretary Linda McMahon talks with U.S. Senator John Cornyn (R-TX) as she arrives before a Joint Meeting of Congress with King Charles III at the U.S. Capitol on April 28, 2026 in Washington, DC. In his first visit to the U.S. as the British monarch, King Charles III is addressing Congress as part of a multi-day trip to the nation's capital, New York City, and Virginia celebrating the United States of America's 250th anniversary of its independence. (Photo by Kylie Cooper-Pool/Getty Images)