14 July, 2016
Calvin responded, "You know we haven't even spoken about it".
According to the outlet, when Taylor and Calvin were dating, the singer came up with the track and did a demo on her phone.
Sources say Calvin's latest single, "This Is What You Came For", was co-written with Taylor, but at the time the new couple didn't want anyone to know they'd collaborated for fear of overshadowing the song.
Taylor kept the publishing rights under the pseudonym Nils Sjoberg.
Scottish DJ Calvin, real name Adam Richard Wiles, then released the song with Rihanna and it shot to the top of the charts around the world. "I can't see it happening though".
Taylor even went totally insane when the DJ brought RiRi out on stage for a surprise performance, and even though they performed their old hit, "We Found Love", it was clear Tay was on-board with any sort of Calvin/Rihanna collaboration.
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The situation - which already had destructive potential - began to crumble when Calvin spoke with Ryan Seacrest on the radio. A source called it "the breaking point in the relationship".
Despite their decision about what to tell the public, Taylor reportedly thought negating the possibility of a collaboration was hurtful, disrespectful and she believed her then-boyfriend "took it too far".
OK guys, no big deal or anything, but we think we've found the REAL reason why Calvin Harris and Taylor Swift broke up.
Just days afterwards, Taylor caused a media storm at The Met Gala when she was filmed dancing with The Night Manager star Tom Hiddleston, with whom she is now in a relationship. After the breakup, he prohibited Rita from performing the track.
"Thank you Taylor Swift for dropping by the Lady Cilento Children's Hospital this afternoon to give our patients and families a special surprise they'll never forget", the hospital staff wrote on Facebook.