Live shows are the prime opportunity for fans to get some facetime with their favorite musicians -- but some inevitably get a little too close. The phenomenon happens all too often: an overzealous concertgoer rushes the stage or hurls something at the performer, sparking upheaval among the crowd and endless replays around the web.
The most recent example came May 6 when a Justin Bieber fan rushed the stage in what was later said to be an attempt to hug the 19-year-old singer.
It wasn't the first time a fan majorly overstepped concert decorum. Here's a look at 10 anxious fans who found it impossible to keep their love contained.