Stormy Daniels' attorney said Saturday that an upcoming CBS interview with the adult-film actress will show that his client his "absolutely credible" in her allegations that she had an affair with President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE.

Speaking on MSNBC's "AM Joy," Michael Avenatti said that Daniels' upcoming "60 Minutes" interview will lend credibility to allegations that have been brushed aside by the White House.

"I am highly confident that when [the American people] have an opportunity to hear from my client, when they have an opportunity to observe her body language and hear what she has to say that they will conclude that she is absolutely credible, and they will conclude that she has a significant amount of veracity and is to be believed," he said.

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Daniels, whose real name is Stephanie Clifford, filed a lawsuit earlier this month in an effort to void a non-disclosure agreement that she says bars her from speaking publicly about her alleged affair with Trump more than a decade ago.

She was paid $130,000 by Trump's personal lawyer Michael Cohen weeks before the 2016 presidential election. That payment, she says, was intended to buy her silence about the alleged affair.

The White House has denied that Trump carried on an affair with Daniels.

Cohen has acknowledged that he paid Daniels $130,000 in 2016, but has insisted that it came from his own personal funds and was not tied to Trump's campaign.

Trump claimed in court papers filed Friday that Daniels repeatedly violated the non-disclosure agreement, and is seeking $20 million in damages.