Ed Sheeran and Olivia Rodrigo go way back at this point. Rodrigo performed a headlining set at London's BST Hyde Park on Friday, June 27, and she was joined by Sheeran on stage to duet his 2011 hit "The A Team" — almost three years after they first met one another.

Olivia Rodrigo welcomed Ed Sheeran to her stage for a surprise duet of "The A Team" at London's Hyde Park on Friday, June 27.

Following his surprising collaboration with Olivia Rodrigo in London, Ed Sheeran has shared a backstory about his first encounter with Rodrigo's mom.