Taylor Swift Has One Word For Katy Perry's 'Not the End of the World' Video: 'Genius'

Taylor Swift
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Taylor Swift attends the 2020 Sundance Film Festival - "Miss Americana" Premiere at Eccles Center Theatre on Jan. 23, 2020 in Park City, Utah.

No, your Twitter feed was not abducted by aliens. That really was Taylor Swift tweeting "THIS IS GENIUS" in reaction to Katy Perry's new out-of-this-universe "Not the End of the World" video.

The clip, unveiled on Monday (Dec. 21), features Zooey Deschanel standing in for Perry as a pair of blue aliens try to save the stand-in pop star from Earth's imminent destruction.

Swift left the comment on Perry's post announcing the video, adding a GIF of the always effervescent Deschanel expressing some joy during a talk-show appearance.

As you might recall, the two pop superstars had a well-documented three-year disagreement that kicked off with Tay's "Bad Blood" in 2014, which elicited an acerbic subtweet from Perry  about watching out for "Regina George in sheep's clothing."

It went on and on, with Perry running down the origin during a "Carpool Karaoke" segment and releasing the not-so-subtle "Swish Swish" in 2017. Perry extended a (literal) olive branch in 2018, setting off a public reconciliation that included a plate of cookies, a cameo by Perry in Tay's "You Need to Calm Down" video, news they might be distant cousins and a very sweet baby gift from Swift in September that warmed Perry's heart.

Check out Taylor's tweet below.