Iggy's glasses tour was the second best crowning moment for Iggy in the game, oh my god. I honestly think that was the moment that made me love him the most out of the guys.
We do later find out that boh Regis and Luna were already aware of what Noct's destiny was, and were both helping to guide him to it.
This honestly made me so mad when I thought about it later. All this time, they were grooming him not to be a king, but to be a sacrifice. Everyone knew what he was supposed to do except him, and definitely Prom. Iggy and Gladio seemed like they were likely unaware until the Final Camp. Noct was just blindly following along everyone else's strings. He was pulled along not only by Regis (who regretted it), Luna, but also the gods and Ardyn as well. When that bombshell dropped I was like 'oh they can't take this back like they did with Yuna, they're going to pull a Titus after pulling an Aerith with Luna.' No wonder Ifrit noped himself out of the Six. Congrats, 30 year old virgin sacrifice.