Ain't gonna happen. Give it up, girls.
They are mentally insane if they or their managers/agents even think they can attempt to break America.
For a start they aren't even that big over here.
They are dull.
Whilst they have had some decent songs, they haven't been that brilliant because they haven't even had a No.1 single.
X Factor or Britain's Got Talent aren't even signing them to appear as guests so from all of the above, they should be thankful that they still feature in the odd music channel.
This is the most ridiculous story/thread I have read today!