Popsugar Entertainment Pretty Little Liars Pretty Little Liars Halloween Costume Ideas Have a Pretty Little Liars Halloween With These Costume Ideas October 17, 2017 by Ryan Roschke View On One Page Photo 17 of 27 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 Hanna Marin (After She Goes Edgy) What to wear: "Edgy" Hanna isn't much different from regular Hanna, but you can add some punkier accents in, as well as those black streaks. How to act: The same as regular Hanna but moodier and more troubled. Previous Next Start Slideshow Pretty Little LiarsHalloweenHalloween CostumesPop Culture Halloween CostumesTV