Simon Cowell -- Silenced!

"American Idol" judge Simon Cowell is far from reserved at the judging table -- but he has shared with "Extra" that the addition of new judge Kara DioGuardi has silenced his sharp tongue because she's taking charge at "Idol" auditions!

Plus, Cowell answers your most pressing questions about what's in store for the hit music show -- and reveals his big Britney Spears surprise!