Pretty Little Liars facts: Here's 6 things you didn't know about the drama including secret cameos, the theme song and more - nine.com.au
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PRETTY LITTLE LIARS - ABC Family's "Pretty Little Liars" stars Shay Mitchell as Emily Fields, Lucy Hale as Aria Montgomery, Ashley Benson as Hanna Marin and Troian Bellsario as Spencer Hastings Stock
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