Michael Avenatti warned that President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE's lawyer Rudy Giuliani should "Buckle Up" after it was reported Tuesday that Trump's former attorney, Michael Cohen, had accepted a plea deal.

Avenatti, the lawyer representing adult-film actress Stormy Daniels, tweeted Tuesday afternoon that Trump and Giuliani had "completely misplayed" their response to Daniels's defamation claims. His comment came after ABC News reported that Cohen had accepted a plea deal on banking and tax fraud charges.

".@RudyGiuliani Buckle Up Buttercup. You and your client completely misplayed this," Avenatti wrote.

"The developments of today will permit us to have the stay lifted in the civil case & should also permit us to proceed with an expedited deposition of Trump under oath about what he knew, when he knew it, and what he did about it. We will disclose it all to the public," he added.

.@RudyGiuliani Buckle Up Buttercup. You and your client completely misplayed this... https://t.co/peLpswrDO1 — Michael Avenatti (@MichaelAvenatti) August 21, 2018

The developments of today will permit us to have the stay lifted in the civil case & should also permit us to proceed with an expedited deposition of Trump under oath about what he knew, when he knew it, and what he did about it. We will disclose it all to the public. — Michael Avenatti (@MichaelAvenatti) August 21, 2018

Daniels, whose real name is Stephanie Clifford, is suing Trump and Cohen for defamation over their denials of an alleged 2006 affair between her and Trump. She argues that Trump's denial of the alleged affair portrays her as a liar and unfairly damages her reputation.

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A 2016 payment to Daniels to stay quiet about the alleged affair in the weeks before the election became a focus of Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's special counsel investigation this year, as investigators looked into whether the payment constitutes an illegal campaign donation.

Avenatti has raised his personal profile with media appearances since the defamation case was first filed, and has recently said that he is considering running for president as a Democrat in 2020.