Louise: ‘For years I wasn’t scrutinised. Then bang – everybody had an opinion’
The pop star behind Nineties smashes including ‘Naked’ has returned with a sensational new album that she knows will take listeners by surprise. She speaks to Adam White about not wanting to be a ‘nostalgia act’, her high-profile divorce, tabloid cruelty, and the ‘non-negotiable’ that immediately halted an Eternal reunion