Everyone
All, Everybody
noun
Everyone (formal name title). This is just a polite way to say everyone (and you want to be polite to everyone, because everyone > you).
みなさま
The reading for both kanji here are the same as the ones you learned with their kanji. Everyone can breathe easier now.
皆様、間もなく当ひ行きはロサンゼルス空港に着りくします。
Okay everyone, the airplane will be landing in Los Angeles Airport soon.
皆様のごけんこうとご多こうをおいのり申し上げます。
I wish everyone the best of luck and continued good health.
「皆様、ご着席いただけますか？」「お言葉ですが、それは良い考えではないと思います。何故だか分かりませんが、我々の椅子に接着剤が付いているのです。」
"Could everyone take their seats, please?" "With all due respect, I don’t think that's a good idea. There is super glue on our chairs for some reason."