Alexander and Queen Máxima of the Netherlands. He was the last of the dozens of heads of state invited to the Paleis Huis ten Bosch in The Hague, the straight-backed footmen in braided gold tailcoats swaying in place by the time he climbed out of his armored limousine.

President Donald Trump is attending the NATO summit, and it looks like one member of the Dutch royal family was having a laugh at his expense.

NATO’s summit in the Netherlands has been described as “transformational” and “historic.” The 32 members of the world’s biggest security organization endorsed a plan to massively ramp up defense spending.