Of course she is. Or she loves to keep us guessing. Probably both. Rihanna just released the cover art for singles "Stay" and "Pour It Up," and on the former, she cozies up to a man.

A man who can ONLY be Chris Brown ... right?!

After what many believe are the signature Chris Brown neck tattoos were seen in the shot, tabloids began speculating that the two were back on once again.

So are they?

Here's the whole story.