We know where Nicki Minaj's loyalties lie amid Kevin Federline and Britney Spears' feud!!! It's been a long week for the exes... As we've been following, Kevin is set to release his new memoir You Thought You Knew on Tuesday. And while there's sure to be a TON of messy details about Brit, we've already been hearing bombshell claim after bombshell claim aimed at the Toxic singer. Everything from abuse, to infidelity, to money disputes, to custody, and more.