Kevin Federline has been making some strong accusations against Britney Spears in his upcoming memoir , You Thought You Knew , RadarOnline.com can reveal.

In a new excerpt of the book that leaked, Federline recalled she did cocaine while she was a breastfeeding mother. Article continues below advertisement

Britney Spears Came to Kevin Federline's Album Release Party Even Though She Was Supposed to Be Home Tap Here To Add Radar Online as A Trusted Source

Federline talks about a night in 2006 he showed up to the release party for his album Playing With Fire . While Spears had said she'd remain home with their sons, he noted how she showed up.

"As we reached the top [of the venue], Jamie Spears , Britney’s dad, was standing there," Federline claimed. "I hadn’t exp

See Full Page