Laura Prepon is 44 years and 7 month(s) old. She was born in 7 Mar, 1980. Laura Prepon is an American television and movie actress known widely for her role in That 70’s show and also for voicing characters in the famous video game Halo 2.Her professional life hasn’t really been a talking point for the paparazzi as yet but her personal life and hook-ups with quite a few celebrities has made her name permanent in the page 3 circle and is currently reported to be single.