Left to right:  denim dress (€97), at East;  culottes (£30/€35) at Asos.com; sleeveless printed dress (€348), by Mary Katrantzou x Current/Elliott at My-Wardrobe.com; printed top (€24) and jeans (€32), at Dorothy Perkins

Since the advent of denim – as workwear and then, thanks to Levi Strauss, as the item every James Dean wannabe just had to own – we have seen (...)