Following the Disney Channel series, which chronicled Lizzie McGuire’s escapades as a middle-schooler, The Lizzie McGuire Movie premiered in 2003. It followed Lizzie on her junior-high ...

The Disney Channel show Lizzie McGuire was so successful that Walt Disney Pictures turned it into a feature film, The Lizzie McGuire Movie, which hit theaters May 2, 2003.

The show also had a spinoff movie in 2003 called "The Lizzie McGuire Movie" which is where one of Duff's most popular songs to this day was first heard.

Duff's breakout role came as the quirky teenager in Lizzie McGuire, which ran for two seasons from 2001 to 2004 on the Disney Channel. In the 2003 theatrically-released film, Lizzie goes on a ...