The 'boss' is the one tryin hard not to look like the boss. Crown Prince Noctis.

[Who was currently NOT dancing but hiding behind Ignis, who also wasn't dancing. So why was he the poor schmuck who was forced to do this?

Gladio did suppose it helped that the woman who had been selected to suffer his company was drop dead gorgeous. And a better dancer than he deserved. He had no issues with relinquishing his lead and followed her as best he could, while doing his best to try not to embarrass either of them.]

I'm here because he's here. I'm his bodyguard. Which he doesn't need right now, so you get to 'enjoy' my company instead.