For clarification purposes : I'm referring to the casual/deliberate 'first hand encounters' and not the fan accounts for concerts, since the latter tends to be a tad bit more legit (e.g. fancams/photos/autographs/signed merchandise etc. are provided most of the time) although it doesn't stop them from manipulating/exaggerating their shenanigans in order to persuade the hoard into strengthening their cray cray antics (period blood letters, x-rated fan fiction, slitting wrists and assaulting them on stage).
E.g. PG-13 version below :