Dress by John Zack, Is that you, weekend?, Plunge neck, Wrap front, Ruched finish,Slim fit, Cut close to the body. Turning catwalk styles and red carpet looks into a collection of affordable dream dresses, London label John Zack channels a fun, party girl aesthetic. Look to the John Zack range for party dresses in sleek bodycon styles, bold leopard prints and punchy acid colours.