Worst: Sharon Osbourne With Son Jack and Daughter Kelly
Frazer Harrison, Getty
Kelly and Jack Osbourne are doing just fine for themselves these days, but both faced their share of addiction issues and demons in their youth. Whether or not a more strict influence from Ozzy Osbourne and rock star wife, manager extraordinaire and Missy Piggy enemySharon Osbourne could have spared them their troubles is debatable. At the very least, though, she didn't exactly set the best example for her kids on the Osbournes reality show, what with all of the throwing food at the neighbours and other shenanigans.