British ambassador to the United States Peter Mandelson (R) laughs at a joke during a welcome reception for British Prime Minister Keir Starmer at the ambassador's residence on February 26, 2025 in Washington, DC. Starmer will meet with US President Donald Trump on February 27 at the White House. (Photo by Carl Court / POOL / AFP) (Photo by CARL COURT/POOL/AFP via Getty Images)