After Taylor didn't exactly hide that her hit song, "Bad Blood," was about the 30-year-old singer, it looks like Katy is answering back with a not-so-veiled new song titled "1984." Taylor's latest album, of course, is titled 1989, the year of her birth.
Katy recently officially registered "1984" with her music publisher, BMI. However, she's not listed as a writer on the new song, which credits Austin Dallas, Carlsson Andreas Michael, Collier Patrick, and Tokio Mazerine. Katy has worked with Carlsson before, who co-wrote her 2009 hit "Waking Up In Vegas."
The "Teenage Dream" singer hasn't been shy about biting back against Taylor before. Back in September, the pop star tweeted: "Watch out for the Regina George in sheep's clothing..." and later confirmed to Billboard magazine that she was calling out the "Blank Space" singer with her Mean Girls reference.
"If somebody is trying to defame my character, you're going to hear about it," Katy told the magazine in January. She was obviously referring to Taylor's comments to Rolling Stone that "Bad Blood" was about a pop star nemesis, who tried to "sabotage" her whole arena tour.
Katy Perry and Taylor Swift's Former Friendship
Is Katy Perry's new song '1984' the Taylor Swift takedown everyone's been waiting for?
It was all fun and games for Perry and Swift the at the 52nd Annual GRAMMY Awards in 2010. (Photo by Kevin Mazur/WireImage
Katy Perry addresses whether she'll involve the Taylor Swift feud in her Super Bowl Halftime performance, and reveals that Missy Elliot will be joining her on stage for her performance.
The "Trouble" singer got cozy with her longtime BFF Selena Gomez and Perry at the 2011 American Music Awards. Apparently, gold was the color of the evening. (Photo by Christopher Polk/AMA2011/Getty Images for AMA)
The pair seemed pretty cozy at the show, 2011 American Music Awards despite the fact that they were both up for awards. (Photo by Jeff Kravitz/AMA2011/FilmMagic)
Talk about a pop powerhouse! Singers Selena Gomez, Nicki Minaj, Katy Perry and Taylor Swift all popped a pose together at the 2011 American Music Awards. (Photo by Lester Cohen/AMA2011/WireImage)
It's all about happy faces. (Photo by Lester Cohen/AMA2011/WireImage)
The duo's friendship stretched all the way back to the 2009 GRAMMY Salute To Industry Icons honoring Clive Davis at the Beverly Hilton Hotel. (Photo by Larry Busacca/WireImage)
Back in 2009, Kelly Clarkson and Miley Cyrus were also a part of the duo's inner circle. (Photo by Kevin Mazur/WireImage)
Smile for the cameras! Swift, Perry and Cyrus looked like they had a blast together at the 2008 MTV Video Music Awards. (Photo by Jeff Kravitz/FilmMagic)
Perry pulled in the "Tim McGraw" singer and the former Disney princess in for a squeeze at the 2008 MTV Video Music Awards. (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - NOVEMBER 20: Taylor Swift and Katy Perry arrive at the 2011 American Music Awards at the Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Jeff Kravitz/AMA2011/FilmMagic)
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Just don't ever expect Taylor, who also dated Katy's on-again/off-again boyfriend John Mayer before her, to have it out with Katy in public.
"I'm not giving them anything to write about," Taylor told the Telegraph in March about the reported feud between the two pop superstars. "I'm never going to talk about her in my interview. It's not going to happen."