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(CNN) - Justin Trudeau's conversation with several world leaders about US President Donald Trump is not the only moment he is giving what to talk about the two-day NATO summit, after Princess Ana of England was caught by the camera with a shrug at Queen Elizabeth II.
In a video filmed at NATO's reception at Buckingham Palace on Tuesday night, the queen is seen, along with Prince Charles and Camilla, the Duchess of Cornwall, shaking hands with Trump and his wife Melania.
LOOK: Trudeau admits to having talked about Trump after the president called him "two faces"
The 93-year-old monarch then looks, apparently to verify which world leader he should receive next, before noticing that his daughter is standing at the bottom by the door.
Queen Elizabeth says something inaudible to Ana in the distance, before the royal princess shrugs her shoulders and is heard saying, "It's just me," before adding: "and this group," while the group around the Queen laughs.
According to the British news agency PA Media, Princess Ana pointed out members of the royal family, including the deputy director of the home, Lt. Col. Anthony Charles Richards, and William Peel, the chamberlain.
It wasn't long before “Princess Anne” was the main trend on Twitter on Tuesday.
Some social media users suggested that the queen was "scolding" Ana for not greeting the president, but only Carlos and Camilla were supposed to be part of the official welcome group.
LOOK: They capture world leaders apparently joking about Trump
CNN has contacted Buckingham Palace for clarification on the events in the video, but had not heard a response at the time of publication.
Princess Ana was also captured by the camera along with world leaders who seemed to joke about Trump at the London event last night.
The video, which has gone viral, shows United Kingdom Prime Minister Boris Johnson, French President Emmanuel Macron, Trudeau and Dutch Prime Minister Mark Rutte, who seem to laugh at Trump's behavior during the summit. But none of the leaders explicitly named Trump.
The 25-second clip, which went viral and was first reported by CBC, begins with Johnson asking Macron why he was late.
"Is that why you were late?" Johnson asked.
Macron nodded, and Trudeau replied: "He was late because he takes ... a 40-minute press conference."
At no time in the video, leaders mention Trump by name, but Trudeau's comment seemed to refer to Trump's long comments to the press during his previous meeting on Tuesday.
None of the leaders seemed to realize that the conversation was being recorded, although they spoke openly and loud enough to be heard by others.
LOOK: World leaders captured on camera seem to joke about Donald Trump
"I just saw his team's jaws fall to the ground," Trudeau also seems to say in a moment.
The microphones could only capture fragments of the conversation at the reception, to which the press had limited access.
After President Donald Trump called it "two faces," Canadian Prime Minister Justin Trudeau admitted Wednesday that he and other world leaders were talking about the president of the United States.
“Last night I referred to the fact that there was an unscheduled press conference before my meeting with President Trump. I was happy to be part of it, but it was certainly remarkable, ”Trudeau said during a press conference on Wednesday.
Trudeau said he was not worried that his comments could impact the relationship between the United States and Canada, but Trump reacted angrily on Wednesday and called Trudeau "two-sided," before adding, "honestly, with Trudeau, it's a good type".
Princess Anne