Taylor Swift has previously written songs for fiancé Travis Kelce, exes Harry Styles, Matty Healy and Joe Jonas, and many more stars. Revisit them all ahead of The Life of a Showgirl Oct. 3 release.

Swift's 12th studio album returns to her pop roots, with lots of love-struck lyrics and upbeat melodies. But it's also a warning about the darker side of an industry she has battled — and bested.

The pop star and the Swedish producer connected on her 2012 LP, “Red.” They’ve reunited (with his collaborator Shellback) for ...