Sharon Osbourne claims Ozzy Osbourne slept with two of their nannies.
The Talk presenter admitted the women she hired to look after the couple's three children when they were younger were the "bane of her existence" and she even caught them in bed with her rocker spouse.
She said: "We used to have four nannies because I had three children. I would work five days a week, I would travel.
"You can't work a nanny seven days a week, so we had four nannies employed rotating. And I'm telling you they were the bane of my existence. They were all wanting to be celebrities. They were all wanting money.
"I caught two of them in bed with Ozzy different times. And it goes on and on and on."
But the 63-year-old star doesn't blame the 67-year-old Black Sabbath frontman for his infidelity, suggesting he was under the influence of drugs and alcohol.
When her Talk co-host Sara Gilbert suggested she should be angry with Ozzy, not the nannies, Sharon said: "No way! He was out of his mind. He's calling me his first wife, he's calling them me, he don't know!"
Sharon eventually came up with a way to stop Ozzy from being tempted to stray - she hired a male nanny.
She said "At the end of the day, I hired a nanny called Big Dave."
- Bang! Showbiz