http://www.dailymail.co.uk/femail/article-1228136/BELLE-DE-JOUR-UNMASKED-The-high-class-escort-girl-diary-sensation-research-student-PhD-Shocked-Not-boyfriend-deceived.html

"Belle de Jour is a research student with a PhD. Shocked? Not as much as her deceived boyfriend"
16 November 2009  
.
"'I couldn't find a job in my chosen field because I didn't then have my PhD and I got through my savings a lot faster than I thought I would.  'Yeah, you could work behind a bar, but how many hours would you have to do to pay the rent? I couldn't get an overdraft, though once I started depositing so much cash, they offered me a mortgage within three months.'"
.  
It's from 2009, but I don't remember ever reading it before. She "outed" herself and gave a lengthy interview with a newspaper.  From her pictures, she sort of looks like Catherine Deneuve (famous French actress who played Belle de Jour in the movie Belle de Jour).
.
Normally, TER doesn't allow naming names, even from news articles, but I think this is OK because she outed herself, claimed the big headlines, and got a TV show out of it.