She is an American actress and pop music singer. Her sister is celebrity Hilary Duff. Her mother, Susan Duff, is a producer. Her father, Bob Duff, is a convenience store owner. Younger Sister Hilary Duff is two years younger well known for her music career and Lizzie McGuire series.

Duff has appeared in several episodes of Lizzie McGuire, which stars her sister Hilary. She has also appeared on another Disney Channel show, That's So Raven, and on other TV programs including Joan of Arcadia, American Dreams, Boston Public, and Chicago Hope. She played Summer, a stereotypical popular teenager, in the 2004 independent film Napoleon Dynamite. In 2005, Duff joined the cast of 7th Heaven, playing Sandy Jameson, best friend to Simon's girlfriend. In 2006 she joined the Broadway cast of Hairspray.

Public Name: Haylie Duff
Birth Name: Haylie Katherine Duff
Date of Birth: February 19, 1985
Place of Birth: Houston, Texas

Filmography

• Legacy (2007) (in production)
• My Sexiest Year (2007)
• I Remember (2006) (post-production)
• Foodfight! (2007)
• "7th Heaven" (22 episodes, 2005-2006)
• Material Girls (2006)
• "Joan of Arcadia" (3 episodes, 2005)
• "Complete Savages" (1 episode, 2005)
• Dishdogz (2005)
• "One on One" (1 episode, 2004)
• In Search of Santa (2004) (V) (voice)
• "That's So Raven" (1 episode, 2004)
• Napoleon Dynamite (2004)
• "American Dreams" (1 episode, 2003)
• I Love Your Work (2003)
• "Third Watch" (1 episode, 2003)
• "Lizzie McGuire" (3 episodes, 2002-2003)
• "Boston Public" (2 episodes, 2001)
• The Newman Shower (2001)
• "Chicago Hope" (1 episode, 2000)
• Dreams in the Attic (2000)
• "The Amanda Show" (1 episode, 1999)
• Addams Family Reunion (1998) (V)
• Hope (1997) (TV)
• True Women (1997) (TV)