After attending school together in the U.K. but going their separate ways afterwards, they reconnected as adults.
“I’ve known Cherry since I was 11,” Sheeran confirmed.
It was around then, and we reconnected."

“I kinda said to Taylor, ‘Can I invite one of my old schoolmates?'”
“The rest is history.”
I don’t know what they get up to, talking about cats or whatever."

This, of course, references his past with Cherry Seaborn.
He got to sing his “End Game” verse again with Swift by his side.