Hilary Duff. Actress: Cinderella Story. Hilary Erhard Duff was born on September 28, 1987 in Houston, Texas, to Susan Duff (née Cobb) and Robert Erhard Duff, a partner in convenience store chain. When Hilary was six, she had been traveling in the Cechetti Ballet with her sister Haylie Duff but decided she wanted to fulfill her dream of acting. Her first starring role was when she played the young witch...