In the seventh season, Aria joins the A-Team and becomes Uber A's chief agent, after Uber A blackmails her into it.Spencer Hastings (Troian Bellisario) (season 1 – 7) is considered the "de facto leader" of the group.She eventually enters a relationship with Sara Harvey, until she discovers that Sara is Red Coat and the ally of Big "A".Alison Di Laurentis (Sasha Pieterse) (season 1 – 7), was the former "Queen Bee" of her clique and the most popular girl in school before her disappearance and alleged death.
Before Mona can show the Liars the proof, "A", blonde hair flowing from her hood, breaks in a kills Mona.Their relationship is often strained by the fact that Spencer has a habit of crushing on Melissa's boyfriends (first Ian, then Wren).At the end of the first season Spencer begins a relationship with Jenna's stepbrother, Toby Cavanaugh.She knew everybody's secrets, but since she's been gone her friends are beginning to realize how little they really knew about her.She is revealed to be alive and on the run from "A." When Shana is killed, who they think was "A," Ali returns to Rosewood.Later when Caleb moves back into the Rosewood, Hanna rekindles her relationship with him.Emily Fields (Shay Mitchell) (season 1 – 7) is the "jock" of the group.She feels betrayed by her father, who has remarried, and she does not get along well with his new wife and daughter, Kate.When Hanna's mother falls upon financial hardship, she steals thousands of dollars from the bank she worked at, which Hanna is forced to keep a secret.Aria was dating Noel, however, she kissed Ezra while meeting each other to talk. However, she was in love with Ezra and stayed with him.Aria found out that Ezra is writing a book about Alison and used her in order to uncover the mystery of who tried to kill Alison. She then breaks up with him, and he resigns from the school as a teacher.