This new ouchie comes on the footsteps of Harry looking like he experienced chest pains during a 1D show. Maybe he'd be better off sitting nice and still while he sings?
At any rate, Harry seemed to shake off the head bonk and carry on like the pro he is. You can't help but feel for him though. No worries, he was fine and 1D fans even got to hear the tiniest bit of their new song "Fireproof."
Harry was also seen giving a hackey sack that appeared out of nowhere a kick, so he's still got pretty good reflexes.