Calvin Harris calls out Taylor Swift on Twitter following pseudonym rumors

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Calvin Harris and Taylor Swift's Feud Heats Up

Calvin Harris called out Taylor Swift on Wednesday after the singer's rep confirmed bubbling rumors that she actually wrote the lyrics to Harris' hit "This Is What You Came For" under a Swedish pseudonym.

After confirming the rumors himself by responding to a tweet by People magazine -- and calling Swift an "amazing lyric writer" in the process -- Harris didn't mince words when it came to Swift's recent shenanigans.

SEE ALSO: Taylor Swift co-wrote Calvin Harris' 'This Is What You Came For' under Swedish pseudonym

"I wrote the music, produced the song, arranged it and cut the vocals though," he said. "And initially she wanted it kept secret, hence the pseudonym."

Harris went on to point to Swift's previous feud with Katy Perry, who she famously wrote "Bad Blood" about for her last album, 1989. Perry called Swift "Regina George in sheep's clothing" for her sweet delivery but allegedly backhanded callouts of fellow celebrities.

See photos of Calvin Harris and Taylor Swift together:

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Taylor Swift Calvin Harris
Friendly relations between Scotland and America. @calvinharris
🌴
❤️
Little known fact: Karlie is secretly an unofficial historian/London tour guide. Kind of.
NEW YORK, NY - MAY 28: Taylor Swift,Calvin Harris are seen in Tribeca on May 28, 2015 in New York City. (Photo by Alo Ceballos/GC Images)
Photo by: KGC-146/STAR MAX/IPx 5/26/15 Taylor Swift and Calvin Harris are seen in New York City. (NYC)
Photo by: KGC-146/STAR MAX/IPx 5/26/15 Taylor Swift and Calvin Harris are seen in New York City. (NYC)
LAS VEGAS, NV - MAY 17: Recording artists Taylor Swift (L) and Calvin Harris attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Kevin Mazur/BMA2015/WireImage)
Taylor Swift, right, hugs Calvin Harris after winning the award for top billboard 200 album for “1989” at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
Taylor Swift, right, hugs Calvin Harris after winning the award for top billboard 200 album for “1989” at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
LAS VEGAS, NV - MAY 17: Recording artist Taylor Swift embraces DJ/producer Calvin Harris after she won the Top Billboard 200 Album award during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Taylor Swift, right, hugs Calvin Harris after winning the award for top billboard 200 album for “1989” at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
Taylor Swift, right, hugs Calvin Harris after winning the award for top billboard 200 album for “1989” at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
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"I know you're off tour and you need someone new to try and bury like Katy," he lashed. "But I'm not that guy, sorry. I won't allow it."

He went on to call Swift's efforts to make him "look bad" extremely "hurtful" and asked her to focus on her relationship with Tom Hiddleston instead.

Read all of his tweets below:

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Calvin Harris calls out Taylor Swift on Twitter
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Calvin Harris calls out Taylor Swift on Twitter
And she sings on a little bit of it too 🙃 Amazing lyric writer and she smashed it as usual https://t.co/vW3yGOIJit
I wrote the music, produced the song, arranged it and cut the vocals though. And initially she wanted it kept secret, hence the pseudonym
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 🤔
I figure if you're happy in your new relationship you should focus on that instead of trying to tear your ex bf down for something to do
I know you're off tour and you need someone new to try and bury like Katy ETC but I'm not that guy, sorry. I won't allow it
Please focus on the positive aspects of YOUR life because you've earned a great one
God bless everyone have a beautiful day
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UPDATE: Katy Perry has seemingly responded to the social media firestorm that ignited earlier in the day when Calvin Harris took Taylor Swift to task, namedropping Katy in the process. She simply tweeted a gif of Hillary Clinton, of who Perry is an outspoken supporter, raising an eyebrow, which seems to be a sort of "I told you so" from Perry:

RELATED: All of Taylor Swift's famous boyfriends ranked:
Taylor Swift's Top Relationships RANKED

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