Britney Spears walked off the set of The X Factor on Monday after a drag queen showed up doing an apparently awful rendition of Spears' "(You Drive Me) Crazy." How come? Spears explained today that she was just following the instructions of
Demi Lovato.. who is incidentally 11 years her junior. Lovato - who herself reacted unfavorably to a rap about bath salts this week - apparently told Spears during the performance: "Let's go." Spears ...