Tobey Maguire
In several interviews, the Spiderman star has been candid about his sobriety, telling The Guardian, “I stopped consuming any mind-altering substances when I was 19 years old. And I’ve been abstinent since then.”

Tobey Maguire
Kelly Osbourne
When her parents, Sharon and Ozzy Osbourne, were suffering from life-threatening illnesses in the early 2000s, the British media magnate suffered the hardest with her alcohol and drug addictions. Osbourne has now maintained his sobriety for more than seven years.

Kelly Osbourne