Several NATO leaders seem to have been caught gossiping about President Trump on a hot mic, AP reports.

During a reception at Buckingham Palace, Prime Minister Boris Johnson asked French President Emmanuel Macron: "Is that why you were late?"

at Buckingham Palace, Prime Minister Boris Johnson asked French President Emmanuel Macron: "Is that why you were late?" Canadian Prime Ministe r Justin TrudeauTrudeau said: "He was late because he takes a 40-minute press conference off the top." That appeared to refer to a long, unscheduled Q&A by Trump, who wasn't mentioned by name.

r Justin TrudeauTrudeau said: "He was late because he takes a 40-minute press conference off the top." That appeared to refer to a long, unscheduled Q&A by Trump, who wasn't mentioned by name. Trudeau also said: “You just watched his team’s jaws drop to the floor.”

📱Footage was posted online by Canada's CBC and has been viewed more than 4 million times.