Ke$ha took to Twitter to wish Britney Spears well on her debut as a judge on The X Factor. The "Tik Tok" singer tweeted, "Go kill em on X-Factor tonight honey boo boo! #GoodLuckBritney." Britney obviously got the reference. She responded: "@keshasuxx My special juice @Pepsi helps me wiiin!! LOL When do I get to hear your new music?"