Netflix. Personal life Prepon was in a relationship with her That '70s Show co-star's brother Christopher Masterson from 1999 to 2007. She later dated Scott Michael Foster for several years, but said in 2013 they had broken up. In August 2017, Prepon gave birth to her and fiancé actor Ben Foster's daughter. Prepon and Foster married in June 2018. In October 2019, Prepon announced on social media that the couple were expecting their second child. Their child, a son, was born in February 2020. Prepon became a Scientologist in 1999. In 2021, she revealed that she had not practiced Scientology since 2016 and it was no longer a part of her life. Filmography Film Television Awards and nominations References External links 1980 births Living people 20th-century American actresses 21st-century American actresses Actresses from New Jersey Jewish American actresses American film actresses American television actresses American people of Irish descent American people of Russian-Jewish descent American former Scientologists People from Watchung, New Jersey Watchung Hills Regional High School alumni