'There is no need to suffer silently,' says Catherine Zeta-Jones as she heads back to work

By DAILY MAIL REPORTER Feeling better: The actress looked relaxed and happy as she returned to work in Louisiana today, where she is filming Playing the Field alongside Gerard Butler Just a week has passed since she revealed she was being treated for bipolar disorder.But it was showbusiness as usual for Catherine Zeta-Jones when she returned to work yesterday.The actress looked elegant and