Calvin Harris and Rihanna's "This Is What You Came For" is a top 10 hit of the summer and a rep for Taylor Swift confirmed to media outlets on Wednesday morning that Taylor Swift (Harris's ex-girlfriend) actually wrote the track under the pseudonym Nils Sjoberg. This unexpectedly confirmed part of fan theories that Swift was involved in the track (and that it played a part in the pair's breakup).

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Harris responded to the news on Twitter, writing "Hurtful to me at this point that her and her team would go so far out of their way to try and make ME look bad at this stage though."

Check out the rest of his tweets about the song's creation below. (A rep for Taylor Swift was not immediately available for comment.)

