One Direction premiere: watch live streaming with HELLO! Online

GALLERIES

One Direction premiere: watch live streaming with HELLO! Online

"Just pinching myself! Absolutely huge day today! We want u to know that u made this all happen! And when u see the film or are standing on Leicester square tonight! U can all turn to each other and be like "we did this" so thank you so much," tweeted Niall, ahead of tonight's event.