It was in 2012 when Hollywood actress Catherine Zeta-Jones made a controversial confession of her bipolar disorder. And this year, she is headlining entertainment news all over with going back to a treatment centre for a 30-day programme. Sources as mentioned by TMZ say that the actress' step of coming back for treatment is just a sort of preventive measure.

Ms Jones was reported in 2011 to have completed a treatment programme for her bipolar II disorder.

However, did you know that there are other popular celebrities in the industry who have suffered from the same disorder? Check out some of them below and in the slideshow next:

Writer and Comedian Russell Brand

The ex-husband of Katy Perry grew up with his mum and stepdad. It was at the young age of 11 when he started purging and binge eating. He also used to cut himself and eventually developed drug addiction. It was in his memoir book, 'My Booky Wook' where he revealed that he was diagnosed with the same disorder.

Singer Sinead O'Connor

Who would not know Sinead O'Connor for her hit song 'Nothing Compares 2 U.' It was back in the 80s and 90s when she turned out to be an overnight sensation especially with her shaved head and rebellious songs. She was 37 when she was diagnosed as a bipolar patient and started taking prescription medication.

Comedian Ben Stiller

The 'Zoolander' star followed not just the footsteps of his parents in the entertainment industry but also their bipolar manic depression disease. The popular comedian said that they have a rich history of the depressive disorder within the family.

X-Factor Judge Demi Lovato

Many fans of the former Disney star Demi Lovato still get shocked each time the learn of the dark part of this young singer. She was went into treatment for three months after being diagnosed with bipolar disorder. The 'Skyscraper' singer said she suffered from bullying since her middle school years.

Veteran Actor Richard Dreyfuss

The Hollywood veteran actor Richard Dreyfuss once revealed that he is suffering from bipolar disorder, hence his being eccentric. He went for medication and admitted it has changed his moods into something better and positive ever since.

Check out the slideshow for more celebs inflicted with bipolar disorder!

Meanwhile, Catherine Zeta-Jones' last public appearance was for a red carpet event in April 22 where she arrived looking well and at the pink of health with her hubby, Michael Douglas.

Hollywood Addiction Bipolar Disorder