Britain's King Charles III waves to US Vice President JD Vance and House Speaker Mike Johnson after addressing 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 ROBERTO SCHMIDT / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: Britain's King Charles III waves before addressing a Joint Meeting of Congress during day two of the State Visit of King Charles III and Queen Camilla to the United States of America on April 28, 2026 at the U.S. Capitol 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)

WASHINGTON, DC - APRIL 28: Britain's King Charles III addresses a Joint Meeting of Congress during day two of the State Visit of King Charles III and Queen Camilla to the United States of America on April 28, 2026 at the U.S. Capitol 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)

Queen Camilla listens to Britain's King Charles III 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 finishes his address to 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: Britain's King Charles III arrives with Queen Camilla to address a Joint Meeting of Congress at the U.S. Capitol during day two of the State Visit of King Charles III and Queen Camilla to the United States of America 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 Ian Vogler - Pool/Getty Images)

WASHINGTON, DC - APRIL 28: Britain's King Charles III addresses a Joint Meeting of Congress during day two of the State Visit of King Charles III and Queen Camilla to the United States of America on April 28, 2026 at the U.S. Capitol 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)