Tall dress by John Zack, Worth making plans for, Plunge neck, Wrap front, Asymmetric hem, Slim fit, Cut close to the body. Turning catwalk styles and red-carpet looks into a collection of fresh dresses, London label John Zack preps you for the party. John Zack Tall sees the same bodycon dresses and layers of lace lovingly lengthened for gals 5'9"/1.75cm and over, too.