Sara Gilbert (born Sara Rebecca Abeles on January 29, 1975 in Santa Monica, California) is an American actress most famous for being Darlene Conner in Roseanne. She has guest-starred on many primetime programs such as The Simpsons and Will & Grace. She recently joined the main cast of The Big Bang Theory, but later went from main to reoccuring during season two. She is a vegetarian, and she's been in a relationship with Allison Adler since 2002. They have a son born in 2004, and a daughter born in 2007.