 Kesha has also made appearances on It 's On with Alexa Chung , The Wendy Williams Show , Lopez Tonight , Late Night with Jimmy Fallon , The Tonight Show with Conan O 'Brien and The Ellen DeGeneres Show to perform the song . This song was also performed on Saturday Night Live on April 17 , 2010 . On August 13 , 2010 Kesha performed " Tik Tok " on Today . On November 7 , 2010 Kesha performed the song at the MTV Europe Music Awards . Throughout the performance she was seen wearing a leotard with day @-@ glow makeup . The performance featured a backing consisting of flashing lights and background dancers . The song 's bridge was changed during the performance and featured a more " amping house music vibe " . 
