 The song was performed for the first time at the Bambi Awards in Germany , on November 27 , 2008 . For the performance Spears wore hot pants , fishnet stockings and a black top hat . The ensemble was compared to the costume Madonna wore during the first act of her Sticky & Sweet Tour ( 2008 – 09 ) . Spears was also presented with an award for Best International Popstar by Karl Lagerfeld , who said , " I admire you ... not just for your art , but for your energy . [ You are ] coming back not only as a phoenix but as a bird of paradise " . The following night , Spears performed the song at Star Academy , with similar choreography and dance moves but wearing a red strapless dress . On November 30 , 2008 , Spears performed at The X Factor . The performance was watched by over thirteen million UK citizens , making it the most viewed episode in the show ’ s history . On December 2 , 2008 , she performed the song at Good Morning America along with a performance of " Circus " . On December 15 , 2008 , she performed at the Japanese music show Hey ! Hey ! Hey ! Music Champ . The following day , she performed at NTV Best Artist 2008 in a black and gold bra , hot pants and a white top hat . She also sported a fake tattooed heart in her cheek . 
