Busted popped into the Newsround office for a chat with Adam from Newsround Showbiz.
They talked about everything from America to Euro 2004, to what kind of burgers they like best.
Is cracking America a priority for you?
James: I'd say it's up there.
Charlie: It's always good to get to different territories and I hope we do well.
Matt: America's kinda the Daddy, isn't it?
Charlie: The thing is with America - it's one of the coolest places on the planet.
The US is a hard market to crack - how will you feel if you don't succeed?
Matt: Do you know what? It would be amazing to crack it but seriously if we didn't, I'd still think everything else was cool.
James: Yeah - we haven't even been to America yet and we're having a great time. We're not just going to go to America then never come back to England because that would be wrong. It would be mean to the fans that started us off in England.
We want to make sure that we don't desert our loyal fans from the beginning.
So have you got concrete plans to go there?
Matt: South of Maine, we're going there to Maine. So we're doing Japan first then going straight from Japan over to the USA.
James: It's cool cos the weather out there is always really nice.
Matt: And the burgers out there are amazing! Never tasted a burger or fries quite like it!
Matt [to Charlie]: You didn't like the fries did you?
Charlie: Not particularly.
And much bigger portions don't you?
Matt: Every time you get free refills!
James: Refills! Refills!
You've got to do thousands and thousands of radio stations you've never heard of?
James:Yeah but that's OK.
Matt: That's awesome, we don't mind that.
James: Everyone in America, I mean it's the same in England, everyone's really happy everywhere you go, just like England.
You're doing a song for the Thunderbirds movie?
Matt: Yeah man, we've done it, it's awesome.
James: Thunderbirds soundtrack! It's done.
Will you give us a clue to what it sounds like?
James: It sounds really good.
[Matt does a jokey impression of the tune]
Is there one thing you've not done yet and would like to do?