Tobey Maguire
The Spiderman star has been open about his sobriety in multiple interviews, including one with The Guardian, in which he stated, “I stopped consuming any mind-altering substances when I was 19 years old. And I’ve been abstinent since then.”
Kelly Osbourne
The British media magnate suffered the most from her alcoholism and drug addictions during the early 2000s, when her parents, Sharon and Ozzy Osbourne, were afflicted with life-threatening illnesses. Osbourne has now been sober for more than seven years, according to his website.