Petite dress by John Zack Petite, It's an animal-print kinda day, Crossover front, Tie side, Ruffle trims, Regular fit, True to 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.