During the Reputation era Taylor dated Tom Hiddleston after Calvin Harris and before Joe Alwyn. Taylor has expressed how she felt “trapped” in her relationship with one of her ex’s (we assume Calvin, because of the length of their relationship), and how she wanted to escape. She took the “getaway car” to Tom, and then later left him for Joe

Although this song is mainly about Joe Alwyn, it’s hinting at her getaway from Tom (expressed in Getaway Car from Reputation) in lyrics like “Clung to the nearest lips; long story short it was the wrong guy”

During the 1989 era Taylor dated Calvin for around a year, before getting with Tom Hiddleston relatively fast, which did spark rumors of possible infidelity, especially because of the nasty way things went down between Calvin and Taylor. This is her explaining that story