Oh Robsten, don't you know we have eyes everywhere?
While some fans were treated to a special screening of Eclipse, the good stuff happened with the cameras weren't rolling.
Like when Rob and Kristen confirmed to Oprah backstage they are in fact dating:
"We were all briefed before the show how to handle the talent," says our source who works for the Big O. "Part of what we were told was that Rob and Kristen are dating."
So here's how it went down:
Apparently, before Robsten and the gang went to tape the segment, they went over with Oprah what she was going to ask. O said she had to "go there" and gave Rob and Kristen the heads-up she was going to ask the big dating question.
Robsten and their people obviously said they wouldn't straight-up answer, no surprise there, so Rob, Kristen and Oprah came to a little agreement.
When asked, Rob and Kristen could totally give the coy nonanswer answer (Rob joked Kristen was pregnant, Kristen joked Rob was having the baby), and O wouldn't press it too hard on air.
On one condition—she wanted to know what was really happening.
Dishes our Oprah spy:
"Obviously Oprah had to ask something during the taping, but agreed beforehand she wouldn't be too hard on [Rob and Kristen] if they told her what was really going on. Both Rob and Kristen's people and Summit then confirmed ahead of time [Rob and Kristen] are together and are dating. One hundred percent."
At least O knows how to get it out of them somehow! And really, are you going to lie to Oprah? No way!
So that's the little agreement our fave couple settled on. They could get away with the deflected joking answer, but Oprah (and her crew) needed to know what was really up with them.
As for how the Twilight couple interacted behind the scenes? Let's just say it certainly wasn't as tense as it was in Vancouver!
"They weren't superaffectionate or anything," says our source, who was with Rob, Kristen and the cast the entire time they were at the show.
"Kristen seemed a little awkward and nervous, but Rob didn't at all. He was really friendly and was cracking jokes the entire time."
So is the confirmation to Oprah enough for you Nonsten's that Rob and Kristen (who arrived back in L.A. together this week, too) are still happily together? Of course not, didn't think so.
But for your entertainment, then, you can check out this twitter of an eyewitness who saw Robsten kissing and cuddling in the airport as they left Chicago together.
You know, just for giggles.
PHOTOS: Rob & Kristen Romance Diary.