US President Donald Trump pats Britain's King Charles III on the leg during a meeting in the Oval Office of the White House April 28, 2026, in Washington, DC. (Photo by Brendan Smialowski / AFP via Getty Images)

Britain's Queen Camilla, King Charles III, US President Donald Trump and US first lady Melania Trump watch members of the Old Guard march by during a state arrival ceremony on the South Lawn of the White House on April 28, 2026 in Washington, DC. (Photo by Brendan Smialowski / AFP via Getty Images)

US President Donald Trump pats Britain's King Charles III on the leg during a meeting in the Oval Office of the White House April 28, 2026, in Washington, DC. (Photo by Brendan Smialowski / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: Students wear a virtual reality headset during a cross-cultural educational event with Queen Camilla and first lady Melania Trump at the White House Tennis Pavilion at 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: Students wear a virtual reality headset during a cross-cultural educational event with Queen Camilla and first lady Melania Trump at the White House Tennis Pavilion at 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: A student wears a virtual reality headset as Queen Camila and First lady Melania Trump attend a cross-cultural educational event at the White House Tennis Pavilion at 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: Queen Camilla and first lady Melania Trump speak with school children as they attend a cross-cultural educational event on the White House Tennis Pavilion at 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: First lady Melania Trump and Queen Camilla greet school children as they attend a cross-cultural educational event on the White House Tennis Pavilion at 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)