Britney Spears showing her buttBritney Spears reveals a rear-ly pleasing side of herself in these pics, which have only just come to light. Taken just five days before the pop star now infamous head-shaving incident in February, Brit leaves little to the imagination in an impossibly teeny thong. Partying with palls at the Club One nightclub in New York city, the troubled 25-year-old mum-of-two dived backstage to talk with the night spot’s resident dancers and ended up stripping down to her smalls in the process.