Kelly Osbourne
In the early 2000s, when her parents, Sharon and Ozzy Osbourne, were battling life-threatening illnesses, the British media mogul was hit the most by her alcohol and drug addictions. Ozzy Osbourne has now been sober for more than seven years.
50 Cent
The rapper and actor revealed in an interview with Piers Morgan that while he dabbled with selling narcotics as a youth to make ends meet, he never consumed drugs or drank alcohol since he didn’t picture himself doing so.