When people are putting pressure on me I just completely ignore it.

We didn't really expect to achieve anything outside of the UK, and it just went crazy. It's just crazy that people know our music. We're just humbled by it.

You can say whatever you want about me, I'm not really bothered. But when it starts to upset people I care about or I hear about it from my mum, then that's a problem.

I'm not one to get involved with what anyone says about me.

It's pretty strange because you have images of people in your head when you left, then you just think they're going to be the same when you come back, like time freezes. I have sisters and from the ages of 11 to 13 - it's a big change for girls.

Two years ago, if anyone had told me I'd be doing half the stuff I'm doing, I wouldn't have believed it.