More about: Maroon 5Green DayDemi Lovato

You'll have probably seen the viral Instagram post by now - a Demi Lovato fan forked out thousands of dollars for a meet & greet with the singer, only to find that she didn't look them in the eye, ask their names, or "say two words to us."

To be fair, meet & greets are probably a soul-destroying business from start to finish - being wheeled out to eager fans like a circus attraction and forced to fake a smile for hours on end when you're exhausted from a world tour. Besides, she's far from the only musician to have disappointed fans by being distant, unfriendly, or even rude.

Here's 12 of the worst fan encounters, as told by the people of Reddit - including a bonus Demi Lovato experience for good (bad?) measure. 

More about: Maroon 5Green DayDemi Lovato