The very top black and white picture could well be Ray-Ban. They were massive back in the '70's, and I have a pair, though I don't have the kind of colour lenses that she appears to have. You can easily find gradient lensed Aviator's pretty much anywhere now.
These, for example, are pretty similar:
http://cgi.ebay.com/Classic-rimless-...item3a568af3f1