It’s hard to believe that One Direction isn’t a massive love-in, in fact it’s impossible, but according to Closer magazine, there are is “tension” within the band over who the most popular member is in the US.

Apparently Harry Styles isn’t the most popular member in the America and this isn’t going down too well.

“All the boys are popular, but the girls in the US seem to be absolutely obsessed with Niall,” an insider told the mag.

“They love the fact he’s Irish and looks like the all-American boy. He gets swamped with girls wherever he goes.”

The source continued: “Zayn is a close second – he’s very cheeky and confident which is going down well.

“It’s definitely been a knock to Harry’s ego, as he’s used to being the heart-throb back home. It’s only natural that the boys are competing for attention. It’s causing a bit of tension!”

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What with the pressure of touring and competing for popularity, 1D are having to make extra effort not to let arguments and tensions get the better of them.

“The boys are feeling a bit cooped-up, as they’re spending 24/7 together, and are starting to feel a little homesick.

“They don’t want silly rows to affect them, so they are trying to keep fighting to a minimum.”

Do you think there is any truth behind what has been alleged? Is Niall the most popular in the US, and if so, do you really think Harry is all that bothered?