Taylor Swift's new album 'Red (Taylor's Version)' features a song called 'Is It Over Now?'
Fans are speculating that the song is about her ex-boyfriend Harry Styles.
The lyrics include lines like 'Did you ever think of me?' and 'Do you still feel the pull of my tide?'
Swift and Styles dated briefly in 2012.
The two have remained friendly in the years since their breakup.
Swift has been known to write songs about her past relationships.
Some fans believe that 'Is It Over Now?' is a response to Styles' song 'Watermelon Sugar,' which many believe is about Swift.