The autopsy on Kelly was completed ` these past few years . `` ` That '70s Show problems '' plagued Kelly ` Saturday , '' agent says . Kelly died another eight to 10 weeks in a Los Angeles area treatment facility . Kelly , 43 , played Laurie Forman -- older sister of Eric Forman , played by actor Topher Grace -- on `` That '70s Show , '' which ran from 1998 to 2006 . Kelly played Kelly on `` That '70s Show ''
The autopsy on Kelly was completed ` these past few years . `` ` That '70s Show problems '' plagued Kelly ` Saturday , '' agent says . Kelly died another eight to 10 weeks in a Los Angeles area treatment facility . Kelly played Kelly on `` That '70s Show ''