Hilary was born on 28th September 1987 to Robert Erhad Duff and Susan Colleen. She has an older sister, Haylie, who is also a singer and actress. As a young girl, Hilary began to take after her sister and in order for them both to pursue an acting career, Hilary, Haylie and their mother moved to California in 1993 while her father stayed behind to take care of the family business. When Hilary was 8, she began homeschooling, which she continued for the rest of her school years.
In 1997, Hilary began to appear in frequent minor roles such as a young witch named Wendy in Casper Meets Wendy and the supporting role of Ellie in the film The Soul Collector.
In 2001, Hilary landed her breakthrough role as the title character Lizzie in the Disney Channel show Lizzie McGuire. The series was a massive hit and a movie was also released as a spin-off from the series.
Hilary also became interested in music while filming Lizzie McGuire and landed a deal with Hollywood Records. Her debut album, Santa Claus Lane, was released on 15th October 2002 and debuted at number 2 on Billboard magazine's Top Kid Audio charts.
In 2007, Hilary began dating NHL player Mike Comrie. On 19th February 2010 the couple got engaged and later married on 14th August 2010. Their first child, Luca Cruz Comrie, was born on 20th March 2012.
|2000||Chicago Hope||Jessie Seldon|
|2001 - 2004||Lizzie McGuire||Lizzie McGuire|
|2003||American Dreams||The Shangri-Las|
|2005||Joan of Arcadia||Dylan Samuels|
|2007||The Andy Milonakis Show||Herself|
|2007||Hilary Duff: This Is Now||Herself|
|2009||Ghost Whisperer||Morgan Jeffries|
|2009||Law & Order: SVU||Ashlee Walker|
|2009||Gossip Girl||Olivia Burke|
|2012||Project Runway||Herself (Guest Judge)|
|1998||Casper Meets Wendy||Wendy|
|1998||Playing By Heart||Extra|
|1999||The Soul Collector||Ellie|
|2002||Human Nature||Young Lila Jute|
|2003||Agent Cody Banks||Natalie Connors|
|2003||The Lizzie McGuire Movie||Lizzie McGuire|
|2003||Cheaper By The Dozen||Lorraine Baker|
|2004||A Cinderella Story||Samantha Montgomery|
|2004||Raise Your Voice||Teresa Fletcher|
|2004||In Search of Santa||Crystal (Voice)|
|2005||The Perfect Man||Holly Hamilton|
|2005||Cheaper By The Dozen 2||Lorraine Baker|
|2006||Material Girls||Tanzania Marchetta|
|2008||War, Inc.||Yonica Babyyeah|
|2009||What Goes Up||Lucy Diamond|
|2009||According To Greta||Greta O'Donnell-Humphrey-Monroe|
|2010||Beauty & The Briefcase||Lane Daniels|
|2011||Stay Cool||Shasta O'Neil|
|2012||She Wants Me||Kim Powers|
|Why Not||2003||The Lizzie McGuire Movie||-||-||-|
|Our Lips Are Sealed||2004||A Cinderella Story||-||-||-|
|Someone's Watching Over Me||2005||Hilary Duff||-||-||-|
|Wake Up||2005||Most Wanted||29th||7th||9th|
|Beat Of My Heart||2005||Most Wanted||-||-||17th|
|Play With Fire||2006||Dignity||-||-||-|
|Reach Out||2008||Best Of Hilary Duff||-||193rd||-|