"The last time I saw you, you were at the Grammys," said DeGeneres. "You were sitting on the same row as Portia and I with Katy. I know Katy, she is a good friend as well, and I know that since then, you're not together any more."

"Correct," Mayer confirmed the breakup. "Listen, it was a very private relationship going in. It was a private relationship during, and it's a private relationship, still," he said.