Petite dress by John Zack Petite, For that thing you RSVPd to, Notch lapel, Double breasted fastening, Open back, Slim fit - a narrow cut that sits close to the body, Exclusive to ASOS, You heard it here first. Turning catwalk styles and red carpet looks into a collection of affordable dream dresses, London label John Zack channels a fun, party girl aesthetic. Now perfectly designed in petite proportions, the John Zack Petite collection is party prepped with jumpsuits, bodycon dresses and lashings of lace.