Petite trousers by John Zack Petite, An alternative to your denim, High rise, Belted waist, Zip-side fastening, Flared shape, Cut with a skinny leg that flares at the knee. 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.