Dress: Lace Neck Floral Dress by Betsey Johnson
Alison DiLaurentis (played by Sasha Pieterse) on Pretty Little Liars on Freeform was spotted wearing this butterfly print dress on Pretty Little Liars on episode 'The Mirror Has Three Faces' (4x10) in Aug 2013. Alison's Dress is the Lace Neck Floral Dress by Betsey Johnson.