Karen Lucille Hale is an American actress, singer, and television personality, who first became known for her roles as Becca Sommers in the series Bionic Woman (2007) and Rose Baker in the series Privileged (2008–2009). She then had her breakthrough starring as Aria Montgomery in the Freeform series Pretty Little Liars (2010–2017), for which she received several accolades. She starred as Stella Abbott in Life Sentence (2018) and the titular character in Katy Keene (2020). She has appeared in films such as The Sisterhood of the Traveling Pants 2 (2008), Sorority Wars (2009), A Cinderella Story: Once Upon a Song and Scream 4, and led the films Truth or Dare and Dude and Fantasy Island (2020).