Sara Gilbert is 49 years and 9 month(s) old. She was born in 29 Jan, 1975. Sara Gilbert was born as Sara Rebecca Abeles in 1975. She is an American Actress and she played Darlene Conner in the ABC sitcom Roseanne since 1988 up to 1997. She is a creator and the co-host of a daytime talk show called The Talk while she plays a recurring role on The Big Bang Theory on CBS where she plays as Leslie Winkle.