by Contents
Movie List
| Year | Movie name | Role |
| 2008 | The Sisterhood of the Traveling Pants 2 | Effie Kaligaris |
| 2009 | Fear Island | Megan / Jenna Campbell |
| 2011 | Scream 4 | Sherrie |
| 2011 | A Cinderella Story: Once Upon a Song | Katie Gibbs |
| 2012 | Secret of the Wings | Periwinkle |
| 2016 | Waiting on Roxie | Roxie Hart |
| 2018 | Truth or Dare | Olivia Barron |
| 2018 | Truth or Dare | Lily |
| 2018 | The Unicorn | Jesse |
| 2019 | Trouble | Zoe Bell |
| 2020 | Fantasy Island | Melanie Cole |
| 2020 | A Nice Girl Like You | Lucy Neal |
| 2020 | Son of the South | Carol Anne |
| TBA | The Hating Game | Lucy Hutton |
| TBA | Big Gold Brick | Lily |
| TBA | Borrego | Elly |
TV Shows
| Year | Tv show | Role |
| 2003 | American Juniors | Herself / Contestant |
| 2003 | An American Idol Christmas | Herself |
| 2005 | Ned’s Declassified School Survival Guide | Amy Cassidy |
| 2006 | Drake & Josh | Hazel |
| 2006 | The O.C. | Hadley Hawthorne |
| 2007,2014 | How I Met Your Mother | Katie Scherbatsky |
| 2007 | Bionic Woman | Becca Sommers |
| 2007-2008 | Wizards of Waverly Place | Miranda Hampson |
| 2008-2009 | Privileged | Rose Baker |
| 2009 | Ruby & the Rockits | Kristen |
| 2009 | Sorority Wars | Katie Parker |
| 2009 | Private Practice | Danielle Palmer |
| 2010 | CSI: Miami | Phoebe Nichols / Vanessa Patton |
| 2010-2017 | Pretty Little Liars | Aria Montgomery |
| 2012 | Punk’d | Herself |
| 2013-2019 | Teen Choice Awards | Herself |
| 2014 | Baby Daddy | Piper Stockdale |
| 2014 | 2014 MTV Video Music Awards | Herself |
| 2016 | Dick Clark’s New Year’s Rockin’ Eve | Herself |
| 2018 | Life Sentence | Stella Abbott |
| 2018 | Hollywood Medium with Tyler Henry | Herself |
| 2019 | Ryan Hansen Solves Crimes on Television | Herself |
| 2020 | Riverdale | Katy Keene |
| 2020 | Katy Keene | Katy Keene |
| 2020 | Day by Day | Maya |
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