Stunt Double in Virgin Road?

[Aozora]

I apologize if this has already been posted. I tried searching but, I didn't really know what to search for xD.

Anyway, I was looking at screencaps from Virgin Road here:

http://ayumi.primenova.com/news2010/...irgin-road.jpg

If you look at the cap that's 3 down and 2 across... it looks like there's a random woman in place of Ayu xD. Is that a stunt double? I wonder why Ayu would need a stunt double for that part of the PV.

Here's the screencap: