It's always shocking when a celebrity admits that they're a recovered drug addict – especially because they managed to hide it so well in the public eye.
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Such is the case for stars like Demi Lovato and Angelina Jolie. Luckily, they were able to live through their experiences, recover, and become their best selves.
Click through the gallery to see the shocking drug confessions celebrities have made in the past.
The 24-year-old used to do quite a bit of cocaine.
"I couldn’t go 30 minutes to an hour without cocaine and I would bring it on airplanes. I would smuggle it basically and just wait until everyone in first class would go to sleep and I would do it right there," she told Access Hollywood.
“I was going to the airport and I had a Sprite bottle just filled with vodka and it was just nine in the morning and I was throwing up in the car and this was just to get on a plane to go back to LA to the sober living house that I was staying at…I had all the help in the world, but I didn’t want it,” she added.