"I love this guy. I look up to him," Bieber said. "Give it up for Floyd Mayweather, the champ."
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The room was decorated with glittering disco balls, caged Bengal tigers and a golden throne for Mayweather, who spent very little time in it — he was too busy mingling with A-list guest like Bobby Brown, Vivica A. Fox, K-Ci and JoJo, Tyrese, Doug E. Fresh and more.