Laura Helene Prepon is an American actress, director and author. She rose to fame with her role as Donna Pinciotti in the Fox sitcom That ’70s Show (1998–2006). She is also known for her portrayal of Alex Vause in the Netflix comedy-drama series Orange Is the New Black (2013–2019). Prepon made her film debut in 2001 with the independent drama Southlander. Her other films include the romantic drama Come Early Morning (2006), the comedy Lay the Favorite (2012), the thriller The Girl on the Train (2016), and the drama The Hero (2017).
In mid-2012, Prepon signed on to co-star with Taylor Schilling in the Netflix original comedy-drama series Orange Is the New Black, based on Piper Kerman’s memoir Orange Is the New Black: My Year in a Women’s Prison. She was cast as Alex Vause, a former drug importer and girlfriend of Piper Chapman (Schilling). The series premiered on July 11, 2013. Prepon was a regular in the first season, but appeared in only four of the 13 episodes in the second season. She returned as a series regular in the third season.
In June 2017, a pregnant Prepon confirmed on Live with Kelly and Ryan that she and her fiancé, actor Ben Foster, were expecting a girl. Prepon and Foster married in June 2018 and currently live in New York.