It annoys me to see people defending with things like "only in the US, so no". Carly has had 2 hits in the US, with multiple hits worldwide, with the most being 6 hits. Yet when a poll like this is made about her, the one-hit wonder option always wins. You people and your bias.
They were huge worldwide after 'All The Things She Said', 'Not Gonna Get Us' and 'All About Us' were other huge hits too, especially AAU.
The US isn't the only thing that matters.
+ Aren't they one of the biggest artists in Russia?
That doesn't happen to one hit wonders.