As part of the new documentary, TMZ Investigates: Matthew Perry and the Secret Celebrity Drug Ring, the TV personality, 39, ...

The 39-year-old TV star - daughter of Black Sabbath star Ozzy Osbourne - is a recovering addict and has endured numerous stints in rehab over the years and she has now admitted she learnt "tricks" to ...

Ozzy Osbourne’s daughter appeared on the “TMZ Investigates Matthew Perry and the Secret Celebrity Drug Ring” documentary and detailed her own experiences.

Kelly Osbourne detailed troubling experiences she witnessed in rehab as part of a new documentary from TMZ looking into ...

Kelly Osbourne has recently explained how Matthew Perry played a pivotal role in her recovery process and on her journey to ...

Kelly Osbourne talked about her struggles with addiction in the documentary 'TMZ Investigates Matthew Perry and the Secret ...

Being in a rehabilitation facility for drug addiction, says Kelly Osbourne, "was like university on how to be a better drug ...

Kelly Osbourne has claimed rehab was "university on how to be a better drug addict" in an episode of 'TMZ Investigates' ...

Kelly Osbourne will "never forget" the advice she received from late "Friends" actor Matthew Perry while they attended the ...

Friends actor Matthew Perry filled countless lives with laughs and sparks of joy, all thanks to his iconic persona as the ...