6 Revelations From Britney Spears' Ex Kevin Federline's Book

Kevin Federline decided to write his debut memoir, You Thought You Knew, to tell his story on his terms. “I’ve sat back and watched people tell my story through a different lens for 20 years,” Federline, 47, told Us Weekly exclusively ahead of the book’s Tuesday, October 21, release date. “I focused on my family, focused on my kids, focused on making sure that we were doing right by them — and everybody involved, really.” Federline shares sons Sean Preston, 20, and Jayden James, 19, with ex-wife Britney Spears. The former backup dancer wanted his boys “to be old enough to understand” his truth