OMG! Nick & Miley Are Totally Together!

And the only reason we know for sure is because Joe Jonas opened his mouth and blurted it out on national TV.

Jonas Brothers: Click to watch
The evangelical Christian dandy boy banders were on "Larry King Live" last night when Joe spilled the beans that it's game on for Nick and Miley Cyrus -- ironically blowing it moments before talking about the importance of keeping their relationships "private."

That noise you hear is the sound of tweenage girls sharpening their Hello Kitty pocket knives.