Look at What You Made Me Do is the first single from the singer's sixth studio album, Reputation.
It came after a week-long social media blackout where she removed all her previous posts declaring that the old Taylor is "dead".
But it's a short clip from a preview Taylor tweeted that's caused controversy.
At around 12 seconds in, the artist "formerly known as old Taylor", is seen in military attire standing in formation.
The similarities led music video director Joseph Kahn to tweet...
But some fans didn't take too kindly to those comments.