Ozzy Osbourne recently had 'intense therapy' for sex addiction

Ozzy Osbourne’s alleged mistress – stylist Michelle Pugh – has filed a defamation lawsuit against Kelly Osbourne.

According to documents filed at Los Angeles County Superior Court, Pugh claims that she felt “slut-shamed, bullied and harassed” following a series of tweets sent out by Kelly Osbourne following reports she had an affair with the Black Sabbath rocker.

In one of the tweets she wrote: “Anyone looking for cheap chunky LOW-lights a blow out and a blowjob call [Pugh’s phone number],” before adding, “My father is almost 70 ever heard of elder abuse?”

Pugh claims that the “elder abuse” accusation is defamation, and that she’s lost business as a celebrity hair stylist since Kelly Osbourne’s tweets, reports TMZ.

As a result of the barrage of phone calls to the salon where Pugh worked due to Osbourne’s tweets, she was allegedly fired from her job.

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Pugh’s lawsuit also comes after Ozzy Osbourne downplayed the significance of their three-year extramarital affair, which Pugh once called “the greatest love of my life”.

“I’m sorry if Ms. Pugh took our sexual relationship out of context,” the singer said. “I’d also like to apologise to the other women I have been having sexual relationships with. Out of the bad comes good.”

The statement also said that he is currently undergoing “intense therapy” for sex addiction.

It added: “Ozzy is mortified at what his behaviour has done to his family. He thanks God that his incredible wife Sharon is at his side to support him.”

Sharon Osbourne wed the Black Sabbath frontman in 1982, having three children together.

Their family life later became the focus of MTV reality show The Osbournes, which aired between 2002 and 2005.