Piper is an American stage, film and television actress. Since her breakthrough role in Coyote Ugly (2000), her subsequent films include Lost and Delirious (2001), Cheaper by the Dozen (2003), Cheaper by the Dozen 2 (2005), The Prestige (2006) and Looper (2012). Since 2010, she has played Annie Walker, the lead role on the USA Network series Covert Affairs, for which she has been nominated for a Golden Globe Award for Best Actress.
In 2000, Perabo was cast in The Adventures of Rocky and Bullwinkle, as FBI agent Karen Sympathy. Her next film was as Violet "Jersey" Sanford in Coyote Ugly, for which she won an MTV Movie Award for Best Music Moment for "One Way or Another". In 2001, Perabo starred in an independent Canadian movie called Lost and Delirious, playing a boarding school student who falls in love with a female classmate. The next year, she starred as a French exchange student in Slap Her... She's French, which was shelved in North America for two years, then released under the new title She Gets What She Wants. The film was released under its original title in Europe. In 2003, she had a role as the eldest Baker child, Nora, in Cheaper by the Dozen (2003), a role she reprised in the film's 2005 sequel.