Laura Prepon trained at Caroline Thomas’ Total Theater Lab in New York City before beginning to develop her acting resume. Some of her early roles were in a Sneaker Pimps music video and a webseries called They Go On, but the role that made her famous was that of Donna Pinciotti on the Fox sitcom That ’70s Show – a role which she play from 1998 until 2006. Following the conclusion of That ’70s Show, Preompon starred in the movie Karla, based on the true story of Paul Bernardo and Karla Homolka, as well as being a cast member of the show October Road. She has also provided voice talent for American Dad!, King of the Hill, and the video game Halo 2. Laura Prepon turns 32 today.