==Film==
Year Title Role Notes
2008 The Sisterhood of the Traveling Pants 2 Effie Kaligaris As Lucy Kate Hale
2009 Fear Island Megan / Jenna Campbell
2011 Scream 4 Sherrie Cameo
A Cinderella Story: Once Upon a Song Katie Gibbs Direct-to-video film
2012 Secret of the Wings Periwinkle Voice role
2016 Waiting on Roxie Roxie Hart Short film; also producer
2018 Truth or Dare as Olivia Barron
2018 Dude as Lily
2018 The Unicorn as Jesse
2019 Trouble as Zoe Bell Voice role
2020 Fantasy Island as Melanie Cole
2020 A Nice Girl Like You as Lucy Neal Also co-producer
Son of the South Carol Anne
2021 The Hating Game as Lucy Hutton Also executive producer
2022 Borrego as Elly
2022 Big Gold Brick as Lily Deveraux
The Storied Life of A.J. Fikry Amelia “Amy” Loman Also executive producer
2023 Inside Man as Gina
2023 Puppy Love as Nicole
2024 Which Brings Me to You Jane Also producer
Running On Empty Kate
2025 F*** Marry Kill Eva Vaughn
TBA White Mars Filming
==tv==
Television
Year Title Role Notes
2003 American Juniors Herself / Contestant Finished in fourth place
An American Idol Christmas Herself Television special
2005 Ned's Declassified School Survival Guide Amy Cassidy Episode: "Upperclassmen & Gross Biology Dissection"
2006 Drake & Josh Hazel Episode: "Theater Thug"
The O.C. Hadley Hawthorne Episode: "The Man of the Year"
2007, 2014 How I Met Your Mother Katie Scherbatsky Episodes: "First Time in New York", "Vesuvius"
2007 Bionic Woman Becca Sommers Main cast (as Lucy Kate Hale)
2007–2008 Wizards of Waverly Place Miranda Hampson Episodes: "First Kiss", "Pop Me and We Both Go Down"
2008–2009 Privileged Rose Baker Main cast (as Lucy Kate Hale)
2009 Ruby & the Rockits Kristen Episode: "Smells Like Teen Drama"
Sorority Wars Katie Parker Television film (Lifetime)
Private Practice Danielle Palmer Episode: "Pushing the Limits" (as Lucy Kate Hale)
2010 CSI: Miami Phoebe Nichols / Vanessa Patton Episode: "Show Stopper"
2010–2017 Pretty Little Liars Aria Montgomery Main cast
2012 Punk'd Herself Episode: "Lucy Hale"
2013, 2019 Teen Choice Awards Herself, co-host
2014 Baby Daddy Piper Stockdale Episode: "Bonnie's Unreal Estate"
2014 MTV Video Music Awards Herself, co-host
2015 Baring It All: Inside New York Fashion Week Herself Television documentary film
2016–2021 Dick Clark's New Year's Rockin' Eve Herself New Orleans correspondent (2016–19), Co-Host (2019–21)
2018 Life Sentence Stella Abbott Main cast
Hollywood Medium with Tyler Henry Herself Episode dated: "April 4, 2018"
2019 Ryan Hansen Solves Crimes on Television Herself
2020–2021 Riverdale Katy Keene
2020 Katy Keene as Katy Keene Main role miniseries
2021 Ragdoll DC as Lake Edmunds Main role, miniseries
2025 Wizards Beyond Waverly Place Miranda Hampton