"Look What You Made Me Do" is a song recorded by American singer-songwriter Taylor Swift. It was released on August 24, 2017, by Big Machine Records, as the lead single from her sixth studio album, Reputation (2017). Swift wrote and produced the song with Jack Antonoff. Released after a year of her public hiatus, several publications have noted the song as one of pop music's most memorable comebacks, buoyed by its accompanying music video.