It seems she was very keen to have her picture taken. After the initial startle, she didn't really shy away from the camera at all.
Such a shame that the sun was rather glaring that day, she may well have been such a pretty thing:

And then she started showing off her bottom again...

Then again, maybe she had been inspired by those Sunday drivers in their 'flashy' convertibles, who may also be into similar shiny things.
Word has it... she's still out there.