Justin Bieber joined Floyd Mayweather on stage . Mayweather was taking part in the Manny Pacquiao press conference . Bieber has joined Mayweather on a number of occasions at his fights . READ : The full transcript of the Mayweather and Pacquiao press meeting . Comment:
Justin Bieber joined Floyd Mayweather on stage . Mayweather was taking part in the Manny Pacquiao press conference . Bieber has joined Mayweather on a number of occasions at his fights . READ : The full transcript of the Mayweather and Pacquiao press meeting . CLICK HERE for all the latest Mayweather vs Pacquiao news .