The last time Taylor Swift was mentioned in a song, it caused stirred up quite a controversy. This time around, alledged references to the pop superstar in a song from another artist probably brew the same storm. Connecting together for a major new joint single, Taylor Swift's ex Calvin Harris and John Newman join forces for “Olé." Co-written by Harris, the track finds its narrative in the mind of a man whose "low key" significant other is in a public relationship with someone else. As TMZ reports, that "low key" could stand for Loki, a popular character played by Swift's new boyfriend Tom Hiddleston. While there's no official confirmation, there's plenty of lyrics in here to keep gossip blogs and fans buzzing for days. You can stream “Olé" below. Last month, Calvin Harris linked up with the legendary Dizzee Rascal for another joint record.