Petite dress by John Zack Petite, Fully lined, Floral-lace top, Sheer delight, High neck, Open back, Zip-side fastening, Regular cut, Fits you just right. 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.