All the words are already there when you're singing onstage, it's fantastic. You can lose yourself in what you've created. You're controlling this freedom.

I've just never been a tracksuit-wearer.

I can't ever seem to shake the feeling that when things are really good it essentially means that things are going to go really bad. When I feel calm and settled, there is always an underlying feeling of impending doom... I don't think that it's healthy.

On stage, you can use your emotions. It's the place where you can channel them. They have a purpose.

When I'm singing I'm always trying to get to the highest point possible. I'd fly to the top of Buckingham Palace to sing to the queen.

The release of 'Lungs' was so hard. It was terrifying, because it was the first time doing everything. The first experiences of media exposure were almost paralysing. I spent a lot of time crying on the floor of the studio - it sent me a bit mad.

The stage is the place I feel comfortable - it's almost as if real life is where I feel most nervous. Conversations are a lot more nerve-wracking.