“It is never just about Madonna’s look – it is about her commitment,” writes Edward Enninful in his June editor’s letter. “She truly lives each of her reincarnations”. Aside from her own art – which has seen her channel personas including English aristo, hip-hop diva, country-music maven, corporate warrior, earth mother and disco yogi – nowhere is this more obvious than on the Met Gala red carpet, where she takes a theme and runs with it. Here are the queen of pop’s most talked-about looks.