Every fashion editor in London has a shopping secret right now – and it's surprisingly affordable. Despite wardrobes stuffed full of Alaïa fishnet ballet pumps and Chanel dad sandals, we're all wearing M&S shoes. Yes, as well as Percy Pigs, picky bits and tins of rosé to drink on the train home, the high street favourite is leading the way on the summer footwear front. The brand's recent Ibiza runway show illustrated its new fashion forward credentials.