Kelly, who was best known for her role as Eric Forman's older sister on the hit TV show, ‘That 70’s Show’, she had publicly battled with drug and alcohol addiction for many years.
According to online media reports, Kelly who had filed for divorce from her abusive husband, and was attempting to get back on track with her life by way of checking into a treatment facility.
“We spoke with Kelly's agent who tells us the actress had just voluntarily checked herself in for treatment for an alcohol problem this past week and was determined to clean herself up. The agent tells us, she had been fighting demons for a while and finally lost her battle.” - TMZ
The gossip site claims, that it was told, that Kelly had gone into cardiac arrest and could not be saved.