Unveiling Britney Spears and Justin Timberlake's Past: Kevin Federline's Revelations in 'You Thought You Knew

Kevin Federline's book "You Thought You Knew" reveals a significant moment involving Britney Spears and Justin Timberlake before her marriage to Federline. Federline shared details about a phone call Britney had with Justin the night before their wedding, expressing her need for closure from their past relationship. Despite Britney's emotional state during the call, Federline remained confident in their relationship. He acknowledged that Britney never fully moved on from Justin, but he believed in their love for each other. Britney's reaction to the book on Instagram suggests that she feels misrepresented and hurt by the content. "You Thought You Knew" is set to be released on October 21.