Guests sit in the rain while waiting for US President Donald Trump and First Lady Melania Trump to greet Britain's King Charles III and Queen Camilla for an arrival ceremony on the South Lawn of the White House in Washington, DC, on April 28, 2026. (Photo by Aaron Chown / POOL / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: People wait in the rain before 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: People wait in the rain before 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: White House staff remove a protective cover from the podium before 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 Kevin Dietsch/Getty Images)

WASHINGTON, DC - APRIL 28: Workers cover chairs in plastic to protect from the rain before 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)

A worker wipes down seats before US President Donald Trump, First Lady Melania Trump, Britain's King Charles III and Queen Camilla 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)

Guests sit in the rain while waiting for US President Donald Trump and First Lady Melania Trump to greet Britain's King Charles III and Queen Camilla for 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)

Workers remove a tarp protecting flowers and bushes before US President Donald Trump, First Lady Melania Trump, Britain's King Charles III and Queen Camilla 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)