She's Come Undone

She's Come Undone is the twenty firsth episode of Season 4 of Pretty Little Liars. It is set to air on February 25, 2014.

Main Cast

 * Troian Bellisario as Spencer Hastings
 * Ashley Benson as Hanna Marin
 * Shay Mitchell as Emily Fields
 * Lucy Hale as Aria Montgomery
 * Sasha Pieterse as Alison DiLaurentis
 * Janel Parrish as Mona Vanderwaal