Hollywood star Kirsten Dunst has opened up about her 'delicate' battle with depression, and how it influenced her latest film role. The 29-year-old had to check into a treatment facility back in 2008 to be treated for depression. And in her new movie Melancholia, directed by Lars von Trier, she plays a woman called Justine with the illness. Her own battles with the mood disorder were part of the reason she wanted to star in the new flick. In an interview with UK Elle magazine, Dunst said: "I have experienced depression. Many people have. Mine was caused by a few things. I felt a lot of stress from all these different areas and I needed to...It's delicate." Pictured: Kirsten Dunst Splash News and Picture Agency does not claim any Copyright or License in the attached material. Any downloading fees charged by Splash are for Splash's services only, and do not, nor are they intended to, convey to the user any Copyright or License in the material. By publishing this material , the user expressly agrees to indemnify and to hold Splash harmless from any claims, demands, or causes of action arising out of or connected in any way with user's publication of the material.