Belle de Jour author Brooke Magnanti insists she was a call girl : m7 F( C3 K! T+ Z / w$ s% ?9 ]# s7 _ Q0 t& cBelle de Jour writer Dr Brooke Magnanti goes to court to defend her claims that she worked as prostitute, saying she will "present evidence that I was a sex worker" in unusual libel battle with her former boyfriend Owen Morris- w6 N* h( c. N