I love changing what I look like because I always feel super strange whenever I do watch something that I'm in.

Why do you put your self esteem in the hands of complete strangers?

I was a mixture of being incredibly old for my age and incredibly backwards. I was born quite old, but then I stopped growing. I lived with my mum and dad till I was 30.

You become very angry and depressed that you keep getting offered only these exceedingly demure and repressed roles. They're so not me. That's why films like Fight Club were so important to me because I think I confounded certain stereotypes and limited perceptions of what I could do as an actress.

The problems come when your personal life and relationships come under scrutiny in the press and often very uncomplimentary things are printed about you.

There is no normality in life.

You learn to rely on a few basic movements and use your voice to the greatest extent possible to convey your emotions. So there was a technical challenge there and a responsibility to create a character from behind the mask.