Canada

Marc Malkin

EXCLUSIVE: Read it here first...

Edward! Bella! Jacob! New Moon Trailer Premieres!

Sun., Sep. 13, 2009 9:38 PM PDT by Marc Malkin

Not even an online leak could upstage an appearance by Robert Pattinson, Kristen Stewart and Taylor Lautner as they thanked fans and introduced the trailer for New Moon.

But what were they doing backstage? Well, one of the New Moon threesome was dancing to "Single Ladies," that's what. Read on to find out what happened when they weren't on camera...

Rob and Kristen weren't about to give any indication they were a couple. Even backstage, there was no PDA. But they did sit together and chat for a bit.

They were silent when Lady Gaga came into the area covered in fake blood after her performance. But they both giggled when Gaga emerged from a makeshift dressing room in her face-covering red lace getup.

After presenting the New Moon trailer, Rob, Kristen and Taylor came back to the talent holding area for photos.

And that's when Rob did a little jig to "Single Ladies" while Beyoncé's performance was on monitor.

Then they were gone. I'm told they were taken to their cars and may have been catching a flight back to Canada.

What did you think of the clip? And more important, what did you think of Kristen's hair?

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Check out what else happened in our MTV Video Music Awards gallery.