Billi Bruno was born Sarah Russo on July 20, 1997, to a family of five. She has been involved in the world of acting since the age of five, starring in several plays, commercials, and a Brad Paisley music video. Most recently, however, her best known role to date is Gracie Mabel, Jim Belushi's sarcastic brainy youngest daughter, on ABC's hit comedy, "According to Jim", which ran from 2001 - 2009. She continues her acting career, having been recently cast in what is to be her big screen debut , the comedy "Eloise in Paris", opposite Jordana Beatty and Uma Thurman, which is set to be released around Christmastime of 2012.

Is the youngest of three sisters.Was cast as Gracie Mabel on "According to Jim" after being discovered in a school production of "Mary Poppins".