Sneak Peek of Tonight's 'Pretty Little Liars': Troian Bellisario Gives Behind the Scenes Scoop

A new episode of Pretty Little Liars airs tonight, but Cambio has a special sneak peek for you from tonight's show.

In this scene, Spencer (Troian Bellisario) is distracted as she takes a walk with Aria (Lucy Hale) and Hannah (Ashley Benson).

In last week's episode, Spencer was shocked to discover her boyfriend Toby is a member of the A team.

Hit the clip to see how she's holding up and hear why walking scenes are tricky for the girls to film!