Question: who sings the song it ain't me?
Answer: American singer Selena Gomez, Selena Gomez

'' It Ai n't Me '' is a song by Norwegian DJ Kygo and American singer Selena Gomez . It was released by Interscope Records , Sony and Ultra on 17 February 2017 as the lead single from Kygo 's first EP , Stargazing . The song was written by Kygo , Gomez , Andrew Watt , Brian Lee and Ali Tamposi . It was produced by Kygo , Watt , Ben Rice and Louis Bell . A dance - pop , electropop and tropical house song , '' It Ai n't Me '' comprises an acoustic guitar line , and a build - drop arrangement in its chorus featuring pulsing piano notes , bass , synthesizers , finger - snap claps and pan flute melodies . Gomez sings the track in a husky tone , while in the chorus her vocals are reduced to recurring syllables . The lyrics are nostalgic and narrate a past relationship ruined by alcoholism and partying too often .