Justin Bieber Escorts Floyd Mayweather to the Boxing Ring in Las Vegas
Peggy Truong / September 15, 2013
Credit: Getty Images
Justin Bieber: Floyd Mayweather's Hype Man
5 of 5
Floyd Mayweather reacts to the announcement of his victory over Canelo Alvarez as hype man Justin Bieber looks on inside the MGM Grand Garden Arena in Las Vegas on Sept. 14, 2013. The 36-year-old boxer extended his undefeated record to 45-0.