As Skunk Anansie release a brand new anniversary LP, the outsider icon talks 25 years as Britpop’s beautiful scourge Photography: Ruth Ossai,Make-up Ciara O’Shea at LGA Managment, photography assistant Ryan Connolly, styling assistants Hannah Hetherington, Kat Ambroziak, Ayaka Matsuda, Production Sophie Brunker, special thanks Gas Studio