Petite dress by John Zack Petite, Lined mesh, Dotted design, Asymmetric neck, One-shoulder style, Ruffle top overlay, Regular fit - true to size, Exclusive to ASOS. 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.