Haylie Duff is an American actress, singer, and television personality, best known for her role as Amy Sanders on the popular Disney Channel series Lizzie McGuire. Born on February 19, 1985, in Houston, Texas, she is the younger sister of singer and actress Hilary Duff. In addition to her acting career, Haylie has pursued music and has released several singles. She has also appeared in various films and television shows, including Napoleon Dynamite and The Real Girl's Kitchen, showcasing her talents beyond acting.