by Contents
Movies
| Year | Movie Name | Role |
| 2001 | The Princess Diaries | Mia Thermopolis |
| 2001 | The Other Side of Heaven | Jean Sabin |
| 2002 | Nicholas Nickleby | Madeline Bray |
| 2003 | The Cat Returns | Haru Yoshioka |
| 2004 | Ella Enchanted | Ella of Frell |
| 2004 | The Princess Diaries 2: Royal Engagement | Mia Thermopolis |
| 2005 | Hoodwinked! | Red Puckett |
| 2005 | Havoc | Allison Lang |
| 2005 | Brokeback Mountain | Lureen Newsome Twist |
| 2006 | The Devil Wears Prada | Andy Sachs |
| 2007 | Becoming Jane | Jane Austen |
| 2008 | Get Smart | Agent 99 |
| 2008 | Get Smart’s Bruce and Lloyd: Out of Control | Agent 99 |
| 2008 | Rachel Getting Married | Kym Buchman |
| 2008 | Passengers | Claire Summers |
| 2009 | Bride Wars | Emma Allen |
| 2009 | Valentino: The Last Emperor | Herself |
| 2010 | Valentine’s Day | Liz Curran |
| 2010 | Alice in Wonderland | Mirana / White Queen |
| 2010 | Love & Other Drugs | Maggie Murdock |
| 2010 | 10 Mountains 10 Years | Narrator |
| 2011 | Rio | Jewel |
| 2011 | One Day | Emma Morley |
| 2012 | The Dark Knight Rises | Selina Kyle |
| 2012 | Les Misérables | Fantine |
| 2013 | Girl Rising | Narrator |
| 2013 | Don Jon | Emily Lombardo |
| 2014 | Song One | Franny Ellis |
| 2014 | Rio 2 | Jewel |
| 2014 | Don Peyote | Agent of TRUTH |
| 2014 | Interstellar | Amelia Brand |
| 2015 | The Intern | Jules Ostin |
| 2016 | Alice Through the Looking Glass | Mirana / White Queen |
| 2016 | Colossal | Gloria |
| 2018 | Ocean’s 8 | Daphne Kluger |
| 2019 | Serenity | Karen Zariakas |
| 2019 | The Hustle | Josephine Chesterfield |
| 2019 | Dark Waters | Sarah Barlage Bilott |
| 2020 | The Last Thing He Wanted | Elena McMahon |
| 2020 | The Witches | The Grand High Witch |
| 2021 | Locked Down | Linda |
TV Shows
| Year | TV Show | Role |
| 1999-2000 | Get Real | Meghan Green |
| 2007 | Elmo’s Christmas Countdown | Herself |
| 2008 | Saturday Night Live | Host |
| 2009 | The Simpsons | Jenny |
| 2010 | The Simpsons | Princess Penelope |
| 2010 | Saturday Night Live | Host |
| 2010 | Family Guy | Mother Maggie |
| 2010 | Family Guy | Herself |
| 2011 | 83rd Academy Awards | Host |
| 2011 | Family Guy | Hot Blonde |
| 2012 | Saturday Night Live | Host |
| 2012 | The Simpsons | Jenny |
| 2015 | HitRecord on TV | Vivica Virus |
| 2015 | Lip Sync Battle | Herself |
| 2016 | Documentary Now! | Herself |
| 2019 | Modern Love | Lexi |
| 2020 | Sesame Street: Elmo’s Playdate | Herself |
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