Lisa Robin Kelly, best known for her role in That `70s Show alongside Ashton Kutcher and Mila Kunis, has died at the age of 43.

The actress’ manager Craig Wyckoff said Lisa Robin Kelly died on Wednesday at a Los Angeles addiction treatment facility where she had been admitted earlier in the week.

No official cause of death was given.

Lisa Robin Kelly portrayed Laurie Forman, the promiscuous sister of Eric – played by Topher Grace on the Fox series, which ran from 1998 until 2006.

She left the series at the end of the fifth season in 2003. Her character was portrayed by the actress, Christina Moore, in season six.

Lisa Robin Kelly fell out of the spotlight after leaving the show but soon began making headlines for her troubled personal life.

Lisa Robin Kelly fell out of the spotlight after leaving That ‘70s Show but soon began making headlines for her troubled personal life

She was arrested in November along with her 61-year-old husband, Robert Joseph Gilliam, in connection with a disturbance at their home in North Carolina.

In June, Lisa Robin Kelly was arrested on suspicion of drink driving in California.

“Lisa had voluntarily checked herself into a treatment facility early this week where she was battling the addiction problems that have plagued her these past few years,” said Craig Wyckoff.

“I spoke to her on Monday, and she was hopeful and confident, looking forward to putting this part of her life behind her. Last night, she lost the battle,” he added.

Prior to That ’70s Show, Lisa Robin Kelly had minor roles in several TV shows, including The X-Files, Charmed and Married With Children.

Lisa Robin Kelly also had roles in the TV movies Amityville Dollhouse, Late Last Night and Jawbreaker.

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