Beach dress by Matthew Williamson, Goes great with your holiday, Mini-length lining, Square neck, Ruffle trim, Tassel detail to front, Tie shoulder straps, Loose fit, Falls loosely over the body. The master of print and embellishment, London-based designer Matthew Williamson translates his love of travel into a collection of beachwear. Defined by laid-back, boho styles, MW by Matthew Williamson offers a range of pretty, printed cover-ups, beaded kaftans and cut-out swimsuits.