Petite dress by John Zack Petite, Yeah, we like this one, too, Plunge neck, Waist tie, Ruffle skirt, Zip-back fastening, Regular fit, No surprises, just a classic cut. 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.