Laura Prepon

Laura Prepon (/lɒrə priːpɔːn/; born March 7, 1980) is an American actress, best known for her role as Donna Pinciotti in the long-running Fox sitcom That '70s Show, for all eight seasons. She is also known for the role of Hannah Daniels on the ABC drama October Road. She has voiced characters in animated TV series such as American Dad! and King of the Hill, as well as a character in the video game Halo 2.