Upmarket designer label, Burberry, whose clothes are worn by models and celebrities like Kate Moss, has seen a huge leap in sales. Figures show that the top label, owned by Great Universal Stores, has seen a 45 per cent increase in sales for the six months to March 31. And the company, whose products are sold in 60 branded shops around the world, is predicting further growth with booming orders for autumn and winter ranges.