Britney Spears reveals her grandfather was accused of sexually abusing his 11-year-old DAUGHTER for FIVE years until she finally ran away - as she lays bare horrifying details about her family's sordid past in tell-all memoir | Daily Mail Online

In her bombshell memoir, the singer, 41, not only opened up about her own struggles, but also claimed her paternal grandfather started to abuse his own daughter - Britney