Belle de Jour author Brooke Magnanti insists she was a call girl ( l& G: c% @2 }6 K, H 1 T+ v* b: U) v7 F: O1 g$ vBelle 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 Morris8 |7 a$ u6 C3 A# t