Actress Lisa Robin Kelly, who played Laurie Forman on the sitcom That '70s Show, left the show due to personal struggles with alcoholism and substance abuse. She was replaced by actress Christina Moore in later seasons. Kelly's career and personal life continued to suffer, and she tragically passed away in 2013 from an accidental overdose. The cast of That '70s Show paid tribute to Kelly following her death. Moore's portrayal of Laurie was met with mixed reviews, but her career continued to thrive after her time on the show. The character of Laurie is not mentioned in the spinoff series That '90s Show.