(NewsNation) — Britney Spears’ ex-husband is about to drop his memoir — and it’s going to rock the pop star’s already fragile world.

Kevin Federline is releasing his autobiography, “You Thought You Knew,” on October 21, and according to a description on Bookshop, it will be explosive.

A description of the book reads:

Kevin Federline: dancer, father, accidental pop culture icon. His star rose electrifying stages alongside Pink, Destiny's Child, Aaliyah, and more. But it was his turbulent marriage to pop superstar Britney Spears that made him a household name and triggered a relentless media storm, reducing him to a caricature in a world that barely knew him.

Behind the tabloid headlines was a devoted father fighting for his children and his sanity, navigating the fallout of fame and a f

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