The actress, who played Laurie Forman on Fox’s sitcom, which ran from 1998-2003, allegedly had stopped her car on the 5 freeway, blocking a lane of traffic.

The blonde actress co-starred in about 50 episodes of the series, which ran from 1998 to 2003, as the attractive, promiscuous Laurie Forman, the older, college-age sister of the lead character ...

Lisa Robin Kelly, best known for playing Laurie Forman on the sitcom "That '70s Show," died Wednesday at age 43, her agent told ABC News station KABC in Los Angeles.

No official cause of death was disclosed. Kelly portrayed Laurie Forman, sister of Topher Grace's lead character Eric, on the Fox series. It concluded in 2006.

Kelly played Laurie Forman, sister of Topher Grace's lead character Eric, on the FOX series, which ended in 2006. The Associated Press contributed to this report.

Lisa Robin Kelly, who rose to fame as Laurie Forman on "That '70s Show," died on Wednesday night, according to various media reports. She was 43. The actress died in her sleep in a rehab facility.

No official cause of death was disclosed. Kelly portrayed Laurie Forman, sister of Topher Grace's lead character Eric, on the Fox series. It concluded in 2006.

No official cause of death was disclosed. Kelly portrayed Laurie Forman, sister of Topher Grace's lead character Eric, on the Fox series. It concluded in 2006.