11/07/2013 16:09 BST | Updated 22/05/2015 06:12 BST

Harry Styles Proves Why Men Should Never Wear Vests, Like Ever

Watch out Niall, Harry's about! Harry Styles proved himself to be a boy after our own heart when he forced fellow bandmate Niall Horan to face the harsh but quite frankly inevitable consequences of wearing a vest.

niall horan

As One Direction raised the roof at the O2 Arena in London to kick of their world tour, trickster Harry made sure Irish lad Niall regretted his outfit choice.

Doing his bit for the style savvy across the globe Hazza couldn't resist subjecting Niall to an old fashion nipple cripple as he exposed himself to the crowd during an epic guitar solo. Serves him right, no self-respecting male should ever be seen out in a vest, agreed?

Just look at the expression on Harry's face as he watched his vest-wearing prey like a hawk...

harry styles

Well played Harry, well bloomin' played.