They “Need to Calm Down.”

A Kentucky man who posted about being Taylor Swift’s ex-boyfriend went viral for his playful post lamenting her engagement news — but Swifties simply couldn’t “Shake it Off.”

Andy Slye of Louisville used a real photo he took with Swift and his then-girlfriend at a 2008 concert, cropped his ex out of it, and posted it on X on Thursday.

His caption read: “That feeling when your girlfriend from high school finally gets engaged. I used to tell myself: Andrew, it’ll be ok. She wasn’t right for you. I just hope her husband isn’t some handsome buff football player.”

After generating a staggering 34 million views, Slye, 35, felt the need to set the record straight when contacted by The Post.

That feeling when your girlfriend from high school finally gets engaged.

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