WASHINGTON, DC - APRIL 28: UK Foreign Secretary Yvette Cooper shakes hands with US Chief of Protocol Monica Crowley before US President Donald Trump, first lady Melania Trump, King Charles III and Queen Camilla participate in an arrival ceremony on the South Lawn of the White House on 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. King Charles III and Queen Camilla will visit the nation's capital, New York City, and Virginia during the trip arranged to celebrate the United States of America's 250th anniversary of its independence. (Photo by Henry Nicholls - Pool/Getty Images)

US President Donald Trump and Britain's King Charles III participate in an arrival ceremony on the South Lawn of the White House in Washington, DC, on April 28, 2026. (Photo by Mandel NGAN / AFP via Getty Images)

US President Donald Trump, First Lady Melania Trump, Britain's King Charles III and Queen Camilla during an arrival ceremony on the South Lawn of the White House in Washington, DC, on April 28, 2026. (Photo by Mandel NGAN / AFP via Getty Images)

US President Donald Trump, First Lady Melania Trump arrive to greet Britain's King Charles III and Queen Camilla during an arrival ceremony on the South Lawn of the White House in Washington, DC, on April 28, 2026. (Photo by Mandel NGAN / AFP via Getty Images)

US President Donald Trump and First Lady Melania Trump greet Britain's King Charles III during an arrival ceremony on the South Lawn of the White House in Washington, DC, on April 28, 2026. (Photo by Mandel NGAN / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: U.S. Secretary of War Pete Hegseth and U.S. Treasury Secretary Scott Bessent attend a state arrival ceremony on the South Lawn of the White House on April 28, 2026 in Washington, DC. President Trump and King Charles III will participate in a number of activities including a bilateral meeting in the Oval Office, with the king later addressing a joint meeting of the United States Congress. (Photo by Kevin Dietsch/Getty Images)

WASHINGTON, DC - APRIL 28: U.S. Military Honor Guard attend a state arrival ceremony with King Charles III and Queen Camilla on the South Lawn of the White House on April 28, 2026 in Washington, DC. President Trump and King Charles III will participate in a number of activities including a bilateral meeting in the Oval Office, with the king later addressing a joint meeting of the United States Congress. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - APRIL 28: (L-R) U.S. Secretary of War Pete Hegseth, U.S. Secretary of State Marco Rubio and U.S. Vice President JD Vance arrive to a state arrival ceremony on the South Lawn of the White House on April 28, 2026 in Washington, DC. President Trump and King Charles III will participate in a number of activities including a bilateral meeting in the Oval Office, with the king later addressing a joint meeting of the United States Congress. (Photo by Kevin Dietsch/Getty Images)