of Juliet Darling, a spoiled heiress who aspired to be a serious actress. The series was an instant success and premiered on September 26, 2007 to 10.44 million viewers. The series received mixed reviews from critics. Her character has been noted to have many similarities to real-life heiress Paris Hilton. In March 2008 Armstrong announced she would not return for the series second season as a series regular. The series did not maintain its success and slipped in ratings throughout its run dramatically. The series was cancelled on August 8, 2009. In 2010, Armstrong guest appeared in the HBO television series How To Make It In America in the series first episode portraying the role of Jane. In 2012, she appeared in 8 episodes of The Mentalist, as a prostitute turned confidential informant for the California Bureau of Investigation. Her character Summer shared a kiss with Tim Kang's character Kimball Cho in the episode "At First Blush" after Cho admitted having feelings for Summer. In September 2013, she played the mother of the blond boy who perpetrated the school shooting in the Sons of Anarchy season six premiere "Straw". Film career Armstrong made her film debut portraying the role of Kara Fratelli, one of the conjoined twins in the parody film Not Another Teen Movie in 2001. Samaire has since appeared in notable small roles in films such as Would I Lie To You?, Gramercy Park and Trash. In 2006, Armstrong co-starred alongside Lindsay Lohan in the film Just My Luck portraying the role of Maggie, Lohan's character's best friend. The film was a box office bomb and was negatively received by critics. In 2005, The O.C. producer McG offered the leading female protagonist role in the horror film Stay Alive. She portrays the role of Abigail, an aspiring photographer and love interest to Jon Foster's character. The film was released on June 29, 2006, and debuted at #3 at the U.S. box office. Despite a worldwide gross of just $27,105,095 it was considered a box office success compared to the film's modest $9 million budget. The film was negatively received by critics with her performance receiving mixed reviews. Armstrong starred as Nell Bedworth in the Canadian comedy It's a Boy Girl Thing, which was released on December 26, 2006, and received positive reviews from critics. The film was considered a box office success, earning worldwide $7,385,434. Samaire's performance was