'It is the most negative character I have played. It is very challenging to do something like that. I had to tackle each scene with an underlying thought that the character is concealing a deep dark secret. Every character is dark and that is the beauty of the film,' she said in an interview.u00a0'It is a nice change. It's something new to try. It was very challenging. To be this evil person and be negative, you have to work on yourself,' she added.