Like every time. Every time I see a shot of this, all I can imagine is what was going on before.

Yellow Diamond's just yelling at everyone to get ready. "Okay okay, everyone stand here, here and here and look down on them as menacing as possible. Smiles from you Lapis. And then I'll have my back turned like so, then turn around really slowly like a boss! It'll be so cool, they won't know what to do!"

Then she pulls out a stereo to play dramatic music while it happens.

I still prefer my theory that she doesn’t want to show her face to us primitives, that or she’s crowd shy.