Petite dress by John Zack Petite, Plunge neck, Take a dive, Cross-over front, That's a wrap, Thigh-high split, Slim fit - a narrow cut that sits close to the body, 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.