Taylor Swift wrote this song with Jack Antonoff and Sam Dew. Antonoff produced the track.
Antonoff is best known as the frontman of Bleachers, and lead guitarist of the pop-rock band fun. He previous collaborated with Taylor Swift on her 1989
tracks "Out Of The Woods
," "I Wish You Would
" and "You R In Love
Antonoff said: "'I Don't Wanna Live Forever' came together very quickly. Wrote it with Taylor and Sam Dew and produced it at home mostly on Paper Sounds…recorded Taylor at my house. Zayn sent parts from LA – we did it in a week basically. I've never had something come out that quick."