The thing is, when I feel like I have to lose weight, the opposite happens. I remember stuffing loads of chocolate on the plane to the shoot, and I thought, 'Why don't you have the courage to show up in a body that's natural, not overly worked out?'

The truth sets you free. It's a very liberating thing, when you say this is who I am warts and all and then you can just get on with life. It's amazing.

I do get scared, but I think - like it says in another book I've read - feel the fear and do it anyway. I try to have courage, pray a little bit and work through it. I'd rather try, even if I fail.

There's always going to be that pressure when you're in front of the camera. When you're famous it's just an extreme version of reality and there's a pressure to look a certain way.

The truth sets you free. It's a very liberating thing, when you say this is who I am warts and all and then you can just get on with life. It's amazing.