Niall Horan and the guys of One Direction have been fully embraced by U.S. pop fans. Their debut album, Up All Night, is poised to sell big this week, and everywhere they've been on their American tour has been a scene of pandemonium. And the five lads have made it clear that they appreciate all the Stateside love.

"No way were we expecting it to do anything like that," he said of the early album sales numbers. "We haven't spent that much time out here and obviously not a lot of people know us, but the power of our fans, they never seem to stop amazing us. They're absolutely brilliant and they've bought the album in great numbers."

The passion surrounding the guys isn't a far cry from the enthusiasm that has followed boy bands for decades. And Horan went into some detail about the craziest encounters. "We did one [show] in Pearl River the other day, in New York here, and that was crazy. [The Palisades Mall there] was like four tiers up and there were like crowds everywhere. There were like loads and loads of people. It was pretty mad, but the craziest thing that's happened was when we arrived in France. ... There were like loads and loads of thousands of people waiting for us at the train station and we weren't expecting it. It was mad."

But, that was nothing compared to a recent stop in the Big Apple that looked like a scene right out of Beatlemania. "Since we've been here, we did Radio City [Music Hall in New York City] with Big Time Rush and when we were leaving the venue, there was a lot of people waiting outside for us and it was like the movies. We were trying to drive away. [Fans] were running through traffic," he recalled. "It was literally like something you'd see in a movie."

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