Pretty Little Liars costume designer Cameron Dale opened up her costume truck for PeopleStyle. You won't believe what's in there! Since Pretty Little Liars went on air in 2010, the show has become ...

Former Disney characters say having “the most forgettable pretty face,” “normal features” and fitting into the costume are key to landing the coveted roles.

The kids' costumes retail at about $600, with the adult costumes coming in at around $1,800 -- but hey, being a royal doesn't come cheap.

NEWS: Check out Ariana Grande slamming her recent eating disorder rumors! The nice thing about the "Give It Up" singer's "princess pretty" style is that it's actually wearable.