Haylie Katherine Duff (born February 19, 1985) is an American actress and singer songwriter. She is the older sister of Hilary Duff.

Early life

Duff was born in Houston, Harris County, Texas. She is two and a half years older than her sister, the popular musician and actress Hilary Duff.
Her mother, Susan Colleen (née Cobb), a homemaker and film producer (co-executive producer of A Cinderella Story (2004) and producer of The Perfect Man (2005) and Material Girls (2006), as well as the manager of her sister Hilary. Her father, Robert Erhard (Bob) Duff, is a partner and owner in a chain of convenience stores with father John B. Duff and who resides at the family home in Houston to maintain the family's business. She began her acting career as an offshoot of her early dance training. Growing up in Texas, Duff began ballet at an early age. By age ten, Duff landed a role in the Houston Metropolitan Dance Company’s production of The Nutcracker.