Seeing someone you know be good at something is really appealing. Seeing how Darren Aronofsky behaved on set, it was another aspect of him, the director. He'd never directed me at home in the kitchen before. It was just seeing a whole other aspect of someone. It was really, really exciting. I loved it.

Every new mother wonders, 'what will I pass on to my child'? Hunger is one inheritance no mother wants to give her child, yet millions of poor women have for generations. Help the World Food Programme break this cycle. No child should inherit hunger.

Botox should be banned for actors, as steroids are for sportsmen. Acting is all about expression; why would you want to iron out a frown?

I just think that things get easier as you get older and wiser and more experienced. You get more confident about who you are as you get older. I find that really comforting.

My real fantasy if I was to drop out would be to live in a mobile home and be a hippie and drive around festivals and have millions of children - children with dreadlocks and nose rings - and play the flute.

In reality, the main thing that keeps me awake at night is probably the destruction of the planet that's what gets me pretty upset.

I don't judge the character at all. It's a bit like being someone's defense lawyer - you have to believe in their innocence in order to defend them.