"
Till the World Ends" is a song recorded by American singer
Britney Spears for her seventh studio album,
Femme Fatale (2011). It was written by Spears,
Nicki Minaj,
R Kelly,
Kesha Sebert,
Lukasz "Dr. Luke" Gottwald,
Alexander Kronlund, and
Max Martin. Gottwald, Martin and Billboard produced the song, while vocal production was handled by
Emily Wright. "Till the World Ends" is an uptempo
dance-pop and
electropop song with an
electro beat. It opens with sirens, and has elements of
trance and
Eurodance. The song features a chant-like
chorus, and lyrics in which Spears sings about dancing until the end of the world. "Till the World Ends" received comparisons to past hits by artists like
Kesha and
Enrique Iglesias. The song received universal critical acclaim, with critics calling it a catchy dance track and complimenting its anthemic nature.