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Britney Spears’ ex-husband has written a memoir, "You Thought You Knew," in which he alleges the pop star once used cocaine before attempting to breastfeed their children.

In his memoir, the 47-year-old reflects on their whirlwind romance, the breakdown of their three-year marriage and the custody battle for their sons Sean Preston, 20, and Jayden James, 19.

A representative for Spears criticized the timing and content of the memoir, and Spears has also called Federline’s public claims "constant gaslighting" in a recent post on X.

BRITNEY SPEARS UNLEASHES ON KEVIN FEDERLINE FOR 'ATTACKING' HER IN TELL-ALL MEMOIR

"I immediately realized in those moments that she was done listening to me, done listening to reason, and I di

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