So what was all that fuss about Katy's ring?

Apparently Katy is the one who broke up with John Mayer and it apparently happened a few days ago!! But why?

We think it's because of the recent Miley make-out. Maybe John got too jealous. WHO KNOWS.

Get more details HERE.

& We'll leave you with this throwback to the good old days of John & Katy [WATCH]