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)

US Secret Service block a street near the White House before US President Donald Trump and First Lady Melania Trump 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 Schwartz / AFP via Getty Images)

NVIDIA CEO Jensen Huang (2R) and Apple CEO Tim Cook (2L) stand in the crowd as they wait for US President Donald Trump and First Lady Melania Trump 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 Jim WATSON / AFP via Getty Images)

Workers put the presidential seal on the podium 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)

NVIDIA CEO Jensen Huang (2R) stands in the crowd as he waits for US President Donald Trump and First Lady Melania Trump 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 Jim WATSON / 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 Kevin Dietsch/Getty Images)