Hollywood star Charlie Sheen’s sex life is being laid bare for all to see after he announced that he is HIV positive, and now it has been claimed that he has been caught on video in a sex tape featuring the actor performing oral sex on another man.

RadarOnline claims that it has seen several tapes of the actor, who at the time the footage was taken was allegedly smoking a crack cocaine pipe before getting down and dirty with the unidentified man.

The website claims that the footage is thought to have been recorded in Nevada in 2011.

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The video, which reportedly lasts for 30 seconds, allegedly shows the Wall Street actor getting high and indulging in the sexual act.

According to the website, the recording of the 50-year-old was allegedly at the centre of a shocking lawsuit that claimed that an ‘A-list celebrity’ had spread herpes to a lover.

The website alleges that the actor was the unidentified actor in an explosive lawsuit which claimed that the Hollywood star was behind a “nefarious plot” to have sex with the claimant despite having the virus.

It is alleged in the lawsuit that the claimant, who was not named in the $20million lawsuit, met the star in Vegas on April 1, 2011.

The actor is then alleged to have told the man that he had “no venereal diseases”.

The website, which claims that the pair had watched porn as well as having engaged in “mutual oral copulation, mutual self-gratification, rubbing and massaging each other, play-wrestling, licking and (unprotected) intercourse”.

It is also claimed that Sheen settled the case out of court after allegedly learning of the X-rated footage.

(Image: Splash News)

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It’s reported that Sheen thought that the original videos linked to the case had been destroyed, but a copy has surfaced and allegedly made its way to the Radar offices.

A source told the website that Charlie allegedly had his "team buy it" and take the recording off the market, over alleged fears "it could destroy his life if it ever got out".

(Image: TodayShow)

“He must be quaking in his boots that it could see the light of day," an insider said.

Last week, Sheen appeared on The Today Show and announced that he had HIV.

The actor, who reportedly spent millions on sex workers over the years, claimed that he felt “free from prison” after having been blackmailed by those close to him over his secret.

Charlie revealed that he had discovered the news four years ago after thinking that he had a brain tumour.

He denied that he had been careless when having sex, revealing that he had gone unprotected with two sexual partners under the guidance of his doctor following his diagnosis.

We have reached out to Charlie's rep for a comment.