Plus-size dress by John Zack Plus, Like what you see, do ya?, Bardot neck, Bold design, Its an eye-catching kinda day, Zip-back fastening, Ruffle hem, Close-cut bodycon fit. Turning catwalk styles and red-carpet looks into a collection of next-level dresses, London label John Zack preps you for the party. Fall for its plus-size range of lace, ruffle and cold-shoulder maxi styles.