"I thought if I put a job ad in a newspaper as a woman searching for a marketing or export job and these guys are calling me and they want me to do this, that or the other, and they have their fantasies, why not just be an escort?
" says Mc Donald, now 45, with long brown hair and a toothy, near-permanent, grin.
He bought her, among other things, a £1,600 Emanuel Ungaro outfit.
"That's when I fell in love – not with him, but with his money."Mc Donald worked as an escort for three years, but eventually turned to procuring.
There is no doubt, however, that Mc Donald is more enthusiastic when talking about her wealth than about sex – it is claimed, by the French police, that she was earning up to £100,000 a day.
Equally, she is infinitely more comfortable talking about her love of expensive clothes and fine perfumes than she is about her family or her string of failed relationships with men.
By the end of the 1990s, the middle-class Windsor girl with a Catholic upbringing was an international madam.
She was, in the eyes of the British press, the world's most successful madam and that rare English woman who had taught the French about prostitution.In October 2003, Mc Donald was jailed for four years, but, because she had been in custody for 17 months, she was released in May last year.She walked into the waiting arms of a Channel 4 film crew, with whom she had agreed to make a documentary about her extraordinary – and, some would argue, sad and debauched – life."I tried to find someone that would match them personality-wise and looks-wise.If they wanted a blonde, I wasn't going to send them a brunette.