Are John Mayer and Katy Perry Back On?!

Is it true?!  Did John Mayer break Katy Perry’s heart and then get her back?!

TMZ has new video of Perry and Mayer leaving The Little Door restaurant on3rd StreetinLos Angelesjust before midnight last night.

The two reportedly broke up a few weeks ago after dating throughout the summer…

Could they still be keeping the flame alive?  And on that note…damn you, John Mayer…damn you…