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Spencer Jill Hastings is a fictional character, one of the five main characters who appeared in the Pretty Little Liars novels and its television adaptation. Created by American author Sara Shepard, she is member of the group known as the Liars, and is best friend to the four other members, who are also protagonists. She is portrayed by Troian Bellisario in the television series. The character was developed for television by the series' showrunner I. Marlene King, and appeared in each of the show's 160 episodes during its seven-years-long run, from its premiere on June 8, 2010, to its finale on June 27, 2017. Spencer is known in the fictional town of Rosewood for her sophisticated charm, intelligence, hardheadedness, and, at times, dangerous dedication to achieve her life goals. She is par