Question: who is a in pretty little liars spoilers season 4?
Answer: Aria visits Ezra's apartment and he talks to her about his issues. "A" is seen eavesdropping on their conversation, and when the person turns around it's CeCe Drake. 'A' ending: 'A' makes voodoo dolls of the five liars: Aria, Spencer, Hanna, Emily, and the newest one, Mona.