'That '70s Show' star Lisa Robin Kelly has died in a rehab facility of unknown causes. She was 43.
The actress' agent told ET online in a statement, that Kelly had passed away on Wednesday night, CBS News reported.
The statement further read that Kelly had recently voluntarily checked herself into a treatment facility, where she was battling the addiction problems that have plagued her for the past few years.
The agent added that Kelly was hopeful, confident and looking forward to putting this part of her life behind her, but she lost the battle.