Laura Prepon was born on March 7, 1980, in Watchung, New Jersey. Her father, Michael, died in 1994. Her mother's name is Marjorie. Prepon is the youngest of five children--she has a brother named Brad and three sisters: Danielle, Jocelyn, and Stephanie. She attended Watchung Hills Regional High School. She studied at the Total Theater Lab in New York City, where she appeared in numerous theatrical presentations.

Prepon started studying acting when she was just 15 as well as dancing--ballet, jazz, and modern. Prepon also played soccer and other sports. Before acting became her profession, Prepon was a model, working in Paris, Milan, and elsewhere in Europe.

Prepon resides in Watchung when not filming in Los Angeles. laura loves sneakers and vintage clothes. Her favorite book is "The Hobbit" by J.R.R. Tolkien.