Britney Spears' ex-husband Kevin Federline is set to publish a new memoir, You Thought You Knew, on Oct. 21.  In the book, Federline will chronicle his working-class childhood and his time as a professional dancer,

Kevin Federline, the dancer and DJ who rose to fame after marrying Britney Spears, is set to release a new memoir titled 'You Thought You Knew' on Oct. 21 via the new audio imprint Listenin.

Britney Spears’ ex-husband, Kevin Federline, is reflecting on fatherhood in his new memoir. On August 6, the 47-year-old dancer — who was married to the “Toxic” singer, 43, from 2004 to 2007 — announced he is releasing You Thought You Knew,