It's my chance to challenge myself to the fullest, which is one of the great joys about my job... I love it when a character requires me to look less than my red-carpet best. It's more fun playing a character that requires you to look like dog s - t.

I hope I'm always learning something.

It's true that you need much time to get rid of the fat girl you once were, but you know I am sincerely grateful for my buttocks.

The whole concept of 'grounding' children is utterly stupid - they just go off and rebel and don't like you. When my kids eventually come along, I don't want them to not like me.

When I think about somebody like Keira Knightley, whom I don't particularly know, I see somebody who is working hard, really trying to challenge herself and make smart choices in spite of people criticising her size and performances.

When you're telling a story, I think you should tell it to its fullest, with reckless abandon, and absolutely let it be what it is.

If you're not still learning and growing as an actor, then you have no backbone and no career