Justin Bieber Does Not Want to Be Pretty Any More 21.70K Hamilton Nolan 10/17/14 08:28AM Filed to: odd couples odd couples justin bieber floyd mayweather boxing celebrities Floyd Mayweather, the world's best boxer, is apparently teaching Justin Bieber to box. A bad idea, considering how many people would like a chance to beat up Justin Bieber. Zero upside, Justin. [Pic via]