Massive acts such as Westlife and Robbie Williams both failed to make an impression in the USA even though they tried really hard.
But this isn't putting off the Busted rockers, who say they don't really mind that much if they don't make it big in America.
"Do you know what? It would be amazing to crack it but if we didn't I'd still think everything else was cool," said Matt.
Newsround Showbiz is now on the CBBC Channel every Saturday and Sunday at 9.50am and repeated at 3.50pm.