A newly leaked video of Justin Bieber (scroll down to watch) shows him substituting racist words while singing “One Less Lonely Girl.” In it, he sings “If I kill you, then I’ll be part of the KKK… and there’ll be one less lonely n*****.” Bieber, who is believed to be about 14 in the video, laughs throughout the video and someone off camera is also heard giggling incessantly. It’s not clear if Usher was his mentor at this point but according to TMZ, which obtained the footage, both Usher and Will Smith were told about this video and another one in which Bieber, aged 15, tells a racist joke. Apparently Usher took his mentor role seriously, teaching Bieber “how hurtful these words can be” and showing him historically racist videos. TMZ also claims Bieber and his camp have known about the existence of the video for years but refused to pay to keep them from showing up online. Justin has since apologized for the videos, blaming it on his youth and ignorance.