Petite dress by John Zack Petite, Introduce it to your friends, Bold chain print, Plunge neck, Tie waist, Tiered skirt, Regular fit, Just select your usual size. 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.