Kevin Federline offers an unique interview to ET’s Kevin Frazier forward of releasing his memoir, ‘You Thought You Knew,’ out Tuesday, Oct. 21. The father of Britney Spears’ now-adult sons, Sean Preston, 20, and Jayden James, 19, opens up about his ex’s regarding life after conservatorship, all whereas sharing untold tales from their time collectively, together with particulars from the decision Britney had with Justin Timberlake on their wedding ceremony night time.
