Dress: Belted Stripe Sheath Dress by Calvin Klein (Thanks Karishma and Iris!)
Mona Vanderwaal (played by Janel Parrish) on Pretty Little Liars on Freeform was spotted wearing this grey and yellow striped dress on Pretty Little Liars on episode 'Of Late I Think Of Rosewood' (6x11) in Jan 2016. Mona's Dress is the Belted Stripe Sheath Dress by Calvin Klein .