Britney Spears has reportedly signed a “record-breaking” deal to publish a tell-all book in which she will detail her career and family.The pop star was released from her 13-year court-ordered conservatorship last year and has been outspoken about her family’s treatment of her on social media since.According to Variety, publishers Simon & Schuster has agreed on a deal with Spears that will see them publish her memoir. The book will share the pop star’s own accounts of “her rise to fame, her music career and her relationship with her family”.Page Six also reports that the deal was secured after a bidding war with multiple other publishers and is worth as much as $15million (£11m).