It’s no secret that he’s one of the most recognized celebrities in the world, but Justin Bieber's fame ended up causing him some problems over the weekend. As previously reported by the GossipCenter, the “Baby” singer was in a heated exchange of words and fisticuffs with a 12-year-old boy while playing laser tag, and an eyewitness has shed some light on the matter. The source told press, "The 12-year-old and his friends were targeting Bieber and shooting him over and over. At one point, they bumped into each other by mistake and Justin ended up shoving him to try and get away. There w...