Jennifer Love Hewitt is an American actress, producer and singer. Hewitt began her career as a child actress and singer, appearing in national television commercials before joining the cast of the Disney Channel series Kids Incorporated as well as performing as a backup singer. She received her breakthrough role as Sarah Reeves Merrin on the Fox teen drama Party of Five and rose to fame as a teen star for her role as Julie James in the horror film I Know What You Did L…