Kelly Osborne after rehab

After her rehab, Kelly Osbourne tells PEOPLE that she’s been addicted to painkillers since she was a teenager.

“I had my tonsils taken out [at age 13], and they gave me liquid Vicodin,” the TV personality recalls of her first use of painkillers. “I found, when I take this, people like me. I’m having fun, I’m not getting picked on. It became a confidence thing.”

Kelly Osbourne, says that despite two trips to rehab in 2004 and 2005, she has never been clean until now.

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