Billie and the Real Belle Bare All is a one-off television programme that aired on ITV2 on 25 January 2010, ahead of the Series 3 premiere of Secret Diary of a Call Girl.

She later released a series of books, including The Intimate Adventures of a London Call Girl, and writes a column in various newspapers.

The programme starts with Billie Piper entering a hackney carriage, as her character frequently does on Secret Diary of a Call Girl, and driving to the Mayfair Hotel.

As she enters the hotel the screen splits in two, showing the original scene from Secret Diary of a Call Girl.

[3] The interview was then conducted in the Schiaparelli Suite of the hotel,[4] where Piper and Magnanti discussed her experiences of being a call girl and the social issues surrounding prostitution.