You sick bastard. You actually clicked this link? OK, here's the story (from nowmagazine.co.uk)
But Jack hadn't bargained on discovering nude snaps of the 63-year-old Black Sabbath rocker when shooting documentary God Bless Ozzy Osbourne last year.
'All the naked pictures I found of my dad - they were quite shocking!' says new dad Jack, who announced in June that he's been diagnosed with MS,
But saucy photos apart, over the years the 26-year-old has become accustomed to his family's wild behaviour.
'I don't think there's been one thing when I've thought, let's just crawl under a rock,' says Jack.
'Although maybe during The Osbournes. At 15, it's embarrassing for certain things to be spoken about on national TV, but since I've been an adult I've got used to it.'