Former Maryland Gov. Martin O’Malley (D) shared a photo of himself with Canadian Prime Minister Justin TrudeauJustin Pierre James TrudeauIran expected to send Ukraine the black boxes from downed passenger plane Poll: Most Canadian taxpayers don't want to pay for Prince Harry and Meghan Markle's security costs Trudeau: Escalating 'tensions' with Iran to blame for downed jet MORE on Thursday in the wake of a viral clip apparently showing Trudeau and other world leaders gossiping about President TrumpDonald John TrumpSchiff pleads to Senate GOP: 'Right matters. And the truth matters.' Anita Hill to Iowa crowd: 'Statute of limitations' for Biden apology is 'up' Sen. Van Hollen releases documents from GAO investigation MORE.

“It’s ok, Justin. We laugh at him a lot too," O'Malley, a former 2016 Democratic presidential candidate, tweeted.

Trudeau was seen in the viral clip talking with British Prime Minister Boris Johnson and French President Emmanuel MacronEmmanuel Jean-Michel MacronGerman president expresses 'sorrow' for Holocaust, warns 'spirits of evil' are rising Hillicon Valley — Presented by Philip Morris International — Apple reportedly dropped plans to let iPhone users encrypt backups | Justices decline facial recognition case | Critics fear Facebook losing misinformation fight | Truce on French tech tax On The Money — Presented by Wells Fargo — Trump at Davos warns Europe on trade | President boasts about US economy to global elite | Experts say Trump trade victories may yield little growth MORE, saying at one point while apparently referring to Trump, "He was late because he takes a 40-minute press conference off the top.”

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Trump later insisted the other heads of state “weren’t laughing at me, they were laughing with me,” but also called Trudeau “two-faced.”

The moment emerged near the end of the NATO leader summit in London. Trump later canceled a scheduled press conference before returning to the U.S. from the summit.

Former Vice President Joe BidenJoe BidenSchiff pleads to Senate GOP: 'Right matters. And the truth matters.' Anita Hill to Iowa crowd: 'Statute of limitations' for Biden apology is 'up' Sen. Van Hollen releases documents from GAO investigation MORE, a leading 2020 Democratic candidate, also seized on the moment, releasing a campaign ad Wednesday that incorporated the footage.

“The world is laughing at President Trump. They see him for what he really is: dangerously incompetent and incapable of world leadership," Biden tweeted. "We cannot give him four more years as commander in chief.”