Elizabeth Greer Feldstein (born June 24, 1993) known professionally as Beanie Feldstein, is an American actress and singer. She has played supporting roles in the comedy film Neighbors 2: Sorority Rising (2016) and the comedy-drama film Lady Bird (2017). For her starring role as a high school senior in the comedy Booksmart (2019), she received a nomination for the Golden Globe Award for Best Actress – Motion Picture Comedy or Musical.