1998 The Parent Trap Hallie Parker/Annie James
2000 Life-Size (TV) Casey Mitchell[49]
2002 Get a Clue (TV) Lexy Gold
2003 Freaky Friday Anna Coleman
2004 Confessions of a Teenage Drama Queen Mary Elizabeth "Lola" Cep
Mean Girls Cady Heron
2005 Herbie: Fully Loaded Margaret "Maggie" Peyton
2006 Just My Luck Ashley Albright
A Prairie Home Companion Lola Johnson
Bobby Diane Huber
2007 Chapter 27 Jude Release: TBA 2007
Georgia Rule Rachel Release: May 11, 2007
I Know Who Killed Me Aubrey Fleming Release: July 27, 2007
Won The 2005 Nickelodeon Kids Choice Award for Favorite Movie Actress.
Won The 2005 Austalian Nickelodeon Kids Choice Award for Favorite Movie Star.
Won The 2005 MTV Movie Award for Best Female Preformance in Mean Girls.
Won The 2005 MTV Movie Award for Best On Screen Team including- Rachel McAdams, Lacey Chabert, Amanda Seyfried in Mean Girls.
Nominated The 2005 MTV Music Video Awards for Best Pop Video.
Won The 2006 Nickelodeon Kids Choice Award for Favorite Movie Actress in Herbie: Fully Loaded.
Nominated for The 2006 Screen Actors Guild Award for Outstading Preformance in a Motion Picture in Bobby.
Won The 2006 Hollywood Film Festival Award for Best Ensembled Cast in Bobby.
Won The 2006 Hollywood Film Festival Award for Break Through Actress in Bobby.
Nominated The 2007 Razzie Award for Worst Actress for Just My Luck