It’s too easy, though, to categorise West End Girl as pure revenge. The reality is more vulnerable: less Princess Diana in her little black dress, more a 14-track therapy session, full of references to mummy and daddy issues (“I’ll be your nonmonogamummy”). Its seeming openness is both amazing marketing and easy fodder for Allen’s strongest critics. Why, they will ask, must she work through her neuroses on such a public stage?