Everything Has Changed

"Everything Has Changed" is a song by the American singer-songwriter Taylor Swift featuring the English singer-songwriter Ed Sheeran from Swift's fourth studio album, Red (2012). Big Machine Records released it as the sixth single from the album on July 14, 2013. The song's music video, directed by Philip Andelman, was released on June 6, 2013. Produced by Butch Walker, "Everything Has Changed" is a guitar-led folk-pop song and a sentimental ballad. Its lyrics are about wanting to know a new lover better.

Some music critics praised Swift and Sheeran's vocal performances, while others deemed "Everything Has Changed" generally weak and generic. The track reached the top ten on the national charts of Ireland, Scotland, and the United Kingdom, and received multi-platinum certifications in Australia and the United States. Swift performed the song with Sheeran during her third concert tour, the Red Tour (2013–2014). A re-recorded version, "Everything Has Changed (Taylor's Version)", was released as part of Swift's second re-recorded album, Red (Taylor's Version), on November 12, 2021. The track peaked at number 59 on the Billboard Global 200 and charted in Canada, Singapore, and the United States.