I knew her pics looked too good to be true.  Here's her ad:

http://www.erosboston.com/ads/se-rebecca35.htm

... and here's some pictures I found while doing "research"...

http://www.perfect-dreams.com/0/pq7/v1.html

The model's name is Susanna Spears, so unless Rebecca is Susanna going incognito, I'd stay away.