Kevin Federline wasn’t so innocent himself at the start of his relationship with Britney Spears! In his upcoming memoir, You Thought You Knew, per Us Weekly, the 47-year-old looked back on the time that he first met the pop star. It went down in 2004 when K-Fed was a backup dancer for the band LFO, [...] Read More... The post Kevin Federline Admits He & Britney Spears Slept Together The Night They Met -- Meaning He CHEATED! appeared first on Perez Hilton.