politics | January 08, 2026

How old was Laura Prepon in That 70s Show?

Laura Helene Prepon was born on March 7, 1980, and is an American actress. She rose to fame with her role as Donna Pinciotti in the Fox sitcom That ’70s Show (1998–2006).

She is also known for portraying 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).

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

On April 30, 2022, it was announced that Prepon would have a guest appearance in the follow-up sitcom, That ’90s Show. That 90’s Show debuted on January 19, 2023, on Netflix.

How old was Laura Prepon in That 70s Show?

The sitcom started airing in 1998, Prepon was 18 years old, not far off from the 16 or 17 year-old-age of her character at the time.