Troubled thesp LISA ROBIN KELLY who battled booze and an ex-hubby has died at age 43 in rehab.
Kelly — who played Topher Grace’s older sister on "That '70s Show” after she went into cardiac arrest in an undisclosed rehab facility.
Her rep said she had just voluntarily checked herself in for treatment for an alcohol problem this past week and was determined to clean herself up.
Lisa had been hoping to kick her problems with the booze.
Kelly's estranged husband Robert Gilliam viciously had beaten her last May in an attempt to get his hands allegedly on residual payments for the show’s re-runs
He was convicted of domestic battery last month and sentenced to 3 years’ probation with 35 days in the slammer for the vicious assault.
Lisa had filed for divorce from Gilliam last month.