Kevin Federline<\/strong> is recounting an ugly moment in his marriage to Britney Spears.\u00a0<\/strong><\/p>\n In his upcoming memoir, You Thought You Knew<\/em>,<\/a> the former backup dancer, 47, claimed that the princess of pop, 43, went on a \u201crampage\u201d after a friend of his dropped off marijuana at their home, according to an excerpt obtained by Us Weekly<\/a>.\u00a0<\/em><\/p>\n Federline alleged that the Grammy winner \u2014 with whom he shares sons Sean Preston<\/strong>, 20, and Jayden James,<\/strong> 19 \u2014 \u201cslapped\u201d him in the face while holding one of their kids.<\/p>\n While the timeline of when the situation took place is unclear, Federline and the singer tied the knot in 2004, and welcomed Sean in 2005 and Jayden in 2006 before filing for divorce that year.<\/p>\n Federline further alleged that this incident \u201cwouldn\u2019t be the last\u201d of the \u201cToxic\u201d hitmaker getting physical with him, but noted they \u201cwere never the same after.\u201d<\/p>\n As the National Enquirer<\/em> previously reported,<\/a> Federline\u2019s book has been filled with many bombshells, including that he allegedly witnessed Spears \u201csnorting a fat line of coke off the table,\u201d at a party in 2006 while she was still breast-feeding the children, according to another expert obtained by Us Weekly.\u00a0<\/em><\/p>\n Federline claimed when he spoke to Spears about the drugs<\/a> she threw a drink in his face.<\/p>\n \u201cThat was the proverbial final straw, the breast-feeding thing. Her reaction,\u201d he wrote per Us Weekly<\/em>. \u201cThat\u2019s what ended us.\u201d<\/p>\n Meanwhile, Spears took to her social media<\/a> accounts on Thursday, claiming Federline\u2019s \u201cwhite lies\u201d from his book \u201care going straight to the bank.\u201d<\/p>\n Additionally, a representative for Spears shared a statement with People<\/em><\/a> on Tuesday, October 14, which read, \u201cWith news from Kevin\u2019s book breaking, once again he and others are profiting off her and sadly it comes after child support has ended with Kevin. All she cares about are her kids, Sean Preston and Jayden James and their well-being during this sensationalism. She detailed her journey in her memoir [The Woman in Me<\/em>].\u201d<\/p>\n<\/div>\n![\"\"](\"https:\/\/staging.nationalenquirer.com\/wp-content\/uploads\/2025\/10\/MEGAR28626_10.jpg\")