A "hurt and angry" Britney Spears is reportedly writing a tell-all book about her exes, Kevin Federline and Justin Timberlake.
A source says Justin, in particular, "will be p***ed" when he hears about the yet to be published autobiography.
"Britney blames most of her problems with drugs and alcohol on the heartache she experienced years before, during her time with Justin - she couldn't trust him ... She also felt he became mean toward the end of their relationship, she said he called her fat and told her she'd need to lose weight before he would have sex with her."