She received cupcakes from Harry Styles for her birthday, now Taylor Swift has given fans a present of their own:
The official music video for "I Knew You Were Trouble."
Tweeted Swift today, along with a link: “The video. Starring the unbelievable @ReeveCarney, directed by the amazing @AnthonyMandler. I’m so proud of this one.”
Many believe the track is based on Swift's experience with John Mayer. Watch the video now and decide if it offers any clues: