You can safely assume that in show business they put a lot of effort into making sure they get the maximum effect without risk. Which means audiences get select

You can safely assume that in show business they put a lot of effort into making sure they get the maximum effect without risk. Which means audiences get selected and pumped up, actors have plastic surgery and take steroids to look better, "reality" shows are highly scripted, "candid" paparazzi shots are planned. There is way too much money involved to allow for randomness or things to go wrong.