Bands cancel shows when they're sick and can't perform. Fans are bummed but they get a refund or a new concert date. No big deal. But when the world's biggest music group cancels a show and the stadium is already stuffed with fans...It becomes a very big deal.

One Direction has been hanging on through some major bumps in the road. First, Zayn left the group, then there were broken bones, and to top it off, news of a One Direction baby. Still, the group pressed on not missing a show in 5 years...Until last night.

The stadium in Belfast was packed full with One Direction fans of all ages. They were excited to see their favorite boys perform their favorite songs. Instead, they got a man with an Irish accent with bad news. See the video below, complete with fan reaction.

We're still waiting for the official statement. The boys Tweeted their apologies after the cancellation announcement.

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