Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE's campaign responded to the footage of Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's brief appearance in a Playboy porn film Friday with a jab at him over his recent "sex tape" allegations against Clinton's beauty queen ally.

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In the early hours of Friday morning, Trump tweeted about an alleged "sex tape" showing former Miss Universe Alicia Machado, who has emerged to join Clinton in accusing Trump of sexism.

The same day, BuzzFeed unearthed a 2000 Playboy softcore porn video that includes a cameo of Trump popping a bottle of champagne.

Clinton spokesman Nick Merrill later responded to the news.

"There’s been a lot of talk about sex tapes today and in a strange turn of events, only one adult film has emerged today and its star is Donald Trump," he told reporters.

Clinton, since Monday's presidential debate, has used Trump's past treatment of Machado when he owned the Miss Universe organization and remarks about her weight to paint him as sexist. Trump has escalated the feud this week as Machado gave interviews to several media outlets recounting derogatory comments Trump allegedly made about her appearance.