Landed a supporting role in the comedy "Flock of Dudes"
Returned to music in 2015 with fifth studio album "Breathe In. Breathe Out."
Joined the cast of the TV series "Younger"
Starred in the ABC Family romantic comedy "Beauty & the Briefcase"
Joined the cast of "Gossip Girl" (CW) for a multi-episode arc, as Olivia Burke, a movie star who enrolls at NYU
Co-starred with Steve Coogan in the independent comedy, "What Goes Up"
Co-starred with John Cusack in the political satire "War, Inc."
Released third studio album, Dignity
Co-starred with real life sister, Haylie Duff as a pair of cosmetics heiresses who lose their fortune in the comedy "Material Girls"
Reprised her role as one of twelve children in the comedy "Cheaper by the Dozen 2"
Played a teenager seeking the perfect partner for her single mom (Heather Locklear) in "The Perfect Man"
Cast as an aspiring songwriter in "Raise Your Voice" opposite John Corbett
Released self-titled sophomore album
Starred in the modern day version of "A Cinderella Story"
Starred in the "The Lizzie McGuire Movie"
Played one of Steve Martin's twelve children in the comedy "Cheaper by the Dozen"
Released debut album, Metamorphosis
Portrayed the love interest to Frankie Muniz's character in "Agent Cody Banks"
Starred in the Disney original movie "Cadet Kelly"
Landed her breakout role as Lizzie in the Disney Channel original series "Lizzie McGuire"
Co-starred in the television feature "Soul Collector"
Cast as Wendy, the friendly ghost's best friend in the successful video release "Casper Meets Wendy"
Made her acting debut with the Columbus Ballet Met production of "The Nutcracker"
Popular songs include "All About You" and "Sparks".
Known for such albums as "Metamorphosis" and "Hilary Duff"