Laura Prepon was born on March 7, 1980, in Watchung, New Jersey, and is the youngest of five children of Marjorie, a high school teacher and gourmet home chef, and Michael Prepon, an orthopedic surgeon.

Her father passed away when she was just 13 years old, which had a profound impact on her upbringing. She attended Watchung Hills Regional High School until she was 15, and later studied at the Total Theatre Lab in New York City.

Her father was Jewish, of Russian Jewish descent, and her mother has mostly Irish Catholic ancestry. Laura Prepon is best known for her roles in the Fox sitcom "That '70s Show" and the Netflix series "Orange Is the New Black."

She made her film debut in 2001 with the independent drama "Southlander" and has since appeared in films such as "Come Early Morning," "Lay the Favorite," "The Girl on the Train," and "The Hero."

Laura Prepon married actor Ben Foster in 2018, and the couple has two children together. Her estimated net worth is $12 million, primarily accumulated through her successful acting career.