She learns how to be a dominatrix

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Billie Piper is taking sex lessons from a dominatrix – but it’s all for her latest TV role.

The actress, 24, is researching for her role as a hooker in ITV drama Diary Of A London Call Girl.

‘They have a dominatrix on set to advise,’ an ITV spokesman tells The Sun.

‘It’s about prostitution and they want to get it right.’