Shauna O'Brien is an American adult actress, model, and reality TV star. She is best known for her appearances in mainstream films such as The Lost Empire, The Player, and Bikini Summer II. She has also appeared in numerous pornographic films such as Private Fantasies, Body Language, and Dreamweavers. Her exotic looks and energetic performances make her an appealing and popular porn star. She is a certified fitness trainer, so her body is toned and fit. Shauna O'Brien is often referred to as one of the most desirable stars in the adult entertainment industry.