Keira Knightley

But acting is very much a profession that is you're hot one moment and not the next - and that is totally cool. I think that's what I find most fascinating and most exciting about it - is that it can be gone in a puff of smoke.

All through my life what I've loved doing is watching movies. I love the escapism of film, I love stories. So it is incredible to be able to be in them as much as I am, to see them from the first stitch in a costume to the end product.

The majority of small-holder farmers in Africa are women and, in urban areas, you're primarily looking at women-led households. So we can't solve hunger if we don't have gender-sensitive programming that addresses access to opportunities for women, whether it's through education or tools for cooking, like solar-powered stoves.