★ Make Showbiz411 your Preferred Source on Google Britney Spears is not happy with ex husband, Kevin Federline. Unrestrained by any agreements, Federline has published a tell all book about their relationship. The book is called “You Thought You Knew,” and will drop October 21st. Federline has accomplished nothing in life except marrying a pop … Continue reading Britney Spears Accuses Ex Husband of “Gaslighting” as He Peddles Sleazy Tell All Book in the New York Times, Of All Places