Lucy Hale plays Aria on ABC Family's hit series Pretty Little Liars, and while she loves the cast, crew and series, she has one major gripe!

Lucy revealed during her first-ever late night talk show appearance on Late Night with Seth Meyers that she is the only PLL cast member who doesn't know who "A" is! And it's not because Lucy wants to be kept in the dark about the secret character!

Lucy spilled to Seth that she has begged to find out the identity of "A," but she thinks the cast and crew don't trust her secret-keeping skills. Do YOU think Lucy can be trusted to keep the big secret about "A"? Watch her interview clip below and let us know!

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