One Direction fans can hardly wait for the boy band's next album and now the singers are spilling even more details.

Harry Styles And Niall Horan Honor Robin Williams After One Direction Concert

Wednesday on The Today Show (via MTV) with host Carson Daly, One Direction said it was "impossible" to understand their meteoric success. "We have moments," Niall Horan said, "especially on this tour where you notice these amazing stadiums. We spend like the first 20 minutes standing looking at each other like 'wow look where we are.' It's unbelievable what's happened."

Liam Payne admitted he wasn't sure how he was going to be able to play MetLife stadium in New Jersey, where the Super Bowl was held this year, but that 1D's fans were the reason it was possible. "Our fans are so amazing and it's amazing to play to a crowd that genuinely loves you."

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1D also revealed that their next album is a bit more "edgy" than their previous ones. "I think it's going to be a little bit more edgy," Horan said about the fourth album. "But obviously we feel like we've got some really good songs and we are happy." Payne also added that 1D has "literally written almost every song" on the next record.

One Direction is currently on their sold out Where We Are tour across the United States. The boys next stop is tonight and tomorrow in Philadelphia, PA before heading to Detroit on Saturday.