Actually, my theory on that (since it first aired actually) was Jack did that. We know for sure now that he "took care of" Rose. And it's a subtle way to get the Doctor's attention.

Ooooooh! Although...did he know about the "Bad Wolf" thing?

Me too! And honestly, who doesn't want to go the Master's Dance Party?

I know! The TARDIS all red...

On a shallow note, loved Lucy getting down and even more important, LOVED Lucy's shoes.

I know! She was doing that little dance in her pumps - I think I'm a wee bit fascinated with Lucy.

YES, YES YOU ARE!!! Because that's so why she did it.

They're gonna do it, aren't they. They're gonna update her blog while killbots roam the planet. *headdesk*