Golden Globe nomination for Best Supporting Actress in “A Prairie Home Companion” (2006)
MTV Movie Awards win for Best Breakthrough Female Performance in "Mean Girls" (2004)
The Hollywood Film Festival Awards recognition as Outstanding Young Performer in “The Parent Trap”(1998)
Blockbuster Entertainment Award win for Favorite Female Newcomer, also for "The Parent Trap" (1999)
Two Young Artist Award wins, one each for her performances on the TV shows “Another World” and “The Parent Trap” (1995 & 1998 respectively).
Bambi Award as International Actress of the Year (2005)
ShoWest Convention award as Female Star Of Tomorrow from National Association of Theatre Owners (2004).
Cinescape Female Face of the Future award (2005).
Saturn Award for Best Supporting Actress on “Mean Girls” (2005)
Glamour Magazine’s Woman of the Year award (2008).
Empire Awards for Best Actress nomination for “Herbie: Fully Loaded” (2006).
ASCAP Film & Television Music Award by American Society of Composers, Authors and Publishers (2005).
ShoWest Convention award as Female Star of the Year from National Association of Theatre Owners (2006).
People’s Choice Award for Favourite Movie Actress (2009).
ShoWest Convention award as Female Star of the Decade from National Association of Theatre Owners (2010).
Satellite Award win for Best Actress in a Motion Picture Drama for “Marvin’s Room” (1997).
California Teen Magazine’s Face of The Future award (2003).
Teen Choice Award win for “Herbie: Fully Loaded” (2005).
Young Artist Award nomination for her role in the TV movie “Luck of the Irish” (2001).
Saturn Award for Best Actress on “The Parent Trap” (1998