Spencer Hastings is a fictional character from the television series Pretty Little Liars, which is based on the book series by Sara Shepard. She is portrayed by actress Troian Bellisario and is known for her intelligence, ambition, and competitive nature. Spencer is a member of the group of friends known as the Liars, who are trying to uncover the mystery behind the disappearance of their friend Alison DiLaurentis. As a character, Spencer often struggles with the pressures of academic excellence and family expectations. She is depicted as a diligent student with a passion for debate and law, often using her analytical skills to solve complex problems. Throughout the series, Spencer faces various personal challenges, including issues related to her family dynamics and romantic relationships.