I understand that if you set out to be a celebrity, then you asked for it, but all I wanted to be was an actor.

In Britain, they have a lot of laws to protect you, and we enforce them very strongly so that our children can stay private figures, and the British press leave us alone, which is great. It means we can go on the Tube into the centre of London because it's quicker and more fun for the kids. We can do normal things.

In my 20s because I was working on films so much and travelling so much and doing press, I was single with no kids and I think that's the time when not only are you trying on looks, but you're trying on personalities - you're still really forming.

I would be scared to go under the knife, but you know, talk to me when I'm 50. I'll try anything. Except I won't do Botox again, because I looked crazy. I looked like Joan Rivers!

It's a waste of time for people to say things they think other people want to hear, or try and come off in a certain way. I try to be as honest as I can.

I'm an artist, and the need to get inside myself and be creative and be other people is a part of who I am. I don't imagine I'll abandon that completely.

I'm just like any other regular mum; cooking, cleaning, wiping butts, picking up after kids, being a wife and helping the kids with their homework. Mind you, I'm terrible at maths. I can't even do my six-year-old's maths homework with her.