In this video you can see they are all lined up, when the message starts.
Then Louis and Liam start to be idiots and Harry for one second turns his head to the right because he’s distracted by something.
You think he doesn’t noticed Lou’s missing, since he was ignoring him. But look at Harry right after he turns his head to the camera.
*where’s the spouse*
*oh here he is*
*back to the camera*