Taylor Swift calls boyfriend Calvin Harris by birth name?

“Taylor always calls Calvin by his birth name, Adam, and never Calvin in private,” a source said.

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The “Blank Space” hitmaker, who has previously dated the likes of Harry Styles and John Mayer, is besotted with her new man and apparently always makes an effort to impress him.

“Taylor gets all dressed and glammed up whenever she is going to see him to look her best,” the insider said.