Five Celebrities Who Have Dealt With Heroin and Drug Addictions

Demi Lovato, who was rushed to the hospital Tuesday after being found unconscious from a suspected overdose, has been open about her struggle with drug addiction and sobriety. In October, she released the documentary Simply Complicated, in which she talked about her battle to remain sober. And last month she released a song, titled Sober, in which she explained she'd relapsed.

Rumors have swirled that the singer overdosed on heroin, although people from her camp deny the accusation. Below are some celebrities who have admitted to using it.

Nicole Richie

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Nicole Richie speaks onstage during the MAKERS Conference at NeueHouse Hollywood on February 7 in Los Angeles. Richie admitted to a four-year heroin addiction in 2007. Vivien Killilea/Getty Images for MAKERS

In 2007, the Hollywood socialite revealed she had kicked a heroin addiction four years earlier. The fast-paced parts of her lifestyle were full of instant gratification, leading her to seek larger highs, she said.

"I think I was just bored, and I had seen everything—especially when you're young, you just want more," she told 20/20 in August 2007. "I, again, made the decision for myself: This is something I have to do. I have to get off drugs. This isn't the life…this was heroin."

Russell Brand

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Russell Brand takes part in a discussion at Esquire Townhouse, Carlton House Terrace, in London on October 14, 2017. Brand wrote an essay about his heroin addiction in 2007. Jeff Spicer/Getty Images

The comedian said he tried nearly every drug, but heroin was his favorite. He wrote about his times with the drug, even admitting he'd begun hanging out with the homeless in London's West End in order to access it, in a piece published by The Guardian in 2007.

"Ever since the first couple of times I'd smoked it, in my early 20s, I had always maintained a great interest in heroin. I'd sort of fallen in love with the warmth of it—the way it felt like crawling back into the womb," he wrote. "Heroin delivered."

Brand spoke vividly about the drug's snuggly release, one that overtakes other signs of happiness. "It makes you feel lovely and warm and cozy. It gives you a great big smacky cuddle, and from then on the idea of need is no longer an abstract thing but a longing in your belly and a kicking in your legs and a shivering in your arms and sweat on your forehead and a dull pallor on your face."

Matty Healy

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Matthew Healy of The 1975 performs in Glasgow, Scotland, on December 18, 2016. Healy announced a rehab stint for heroin addiction this month. Ross Gilmore/Getty Images

The lead singer of British rock band The 1975 said recently he has begun sobriety after a four-year heroin addiction. "It's quite difficult to be quite a large person but scared of being that. So it's just easier to do those drugs," he told The Guardian on July 20. "It takes this level of a good life to stop."

Kurt Cobain

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From left, photographer Jesse Frohman and Morrison Hotel Gallery owner Peter Blachley at a Kurt Cobain exhibition at the New York gallery on April 5, 2012. Cobain died in 1994 from a gunshot wound and had excessive amounts of heroin in his bloodstream. Fernando Leon/Getty Images

Cobain was found with a box of heroin next to him at the time of his suicide. Though he shot himself, autopsy reports showed that he had three times the lethal dose of the drug in his bloodstream.

In a letter to his fans, released in 2002, Cobain spoke of his heroin use, saying it was for his constant stomach pain. "It served as a Band-Aid for a while, but then the pain came back so I quit. It was a stupid thing to do and I'll never do it again, and I feel real sorry for anyone who thinks they can use heroin as a medicine because um, duh, it don't work."

Angelina Jolie

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Angelina Jolie attends the National Board of Review Annual Awards Gala in New York on January 9. Jolie has been open about her drug use in the past. Jamie McCarthy/Getty Images for National Board of Review

Jolie admitted to using drugs in a 2008 interview with The Sunday Times. "I have done just about every drug possible...cocaine, heroin, ecstasy, LSD," she said.

But she said the worst drug for her was marijuana, which made her feel "out of control."