Billie Piper returns in 'Secret Diary of a Call Girl'

Former Doctor Who actress Billie Piper returns to the small screen tonight, in the fourth and final series of ITV2's 'Secret Diary of a Call Girl'. Piper plays the lead role of Belle de Jour and her alter ego Hannah Baxter.

Series 4, Episode 1 - tonight, 10.00pm on ITV2.
Brand new series of the controversial drama. Belle has a lot on her plate as she mulls over a new business proposition, deals with an uninvited house guest and copes with a challenging client. Meanwhile, she still has not answered the all-important question of whether she should commit to a relationship with her best friend Ben. Her life has never been so complicated. With Billie Piper, Iddo Goldberg, Cherie Lunghi, Lily James, and Adam Astill.