People overestimate how much they're being noticed, by roughly double, so that nervous feeling isn't about them being famous. It's just what nerves feel like. Yours are just screaming louder in that moment.
Have you ever been to a play where there's a blackout between every single scene? You can hear the furniture moving in the dark. The crew shifting things around. And you're just sitting there, disconnected from the action, waiting for the lights to come back up.
That's what happens at most events.
