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Justin Bieber and Lil Wayne

Justin Bieber and Lil Wayne: Floyd Mayweather entered the ring with quite the A-list entourage, complete with the rapper on the mic! Credit: Al Bello/Getty Images

Stars Ready for a (Mayweather-Alvarez) Fight

The battle between Floyd "Money" Mayweather and Saul "Canelo" Alvarez Saturday night at the MGM Grand in Las Vegas may have ended in a majority decision in Mayweather's favor, but he belt he took home certainly wasn't the most shiny thing in the arena. Glittering stars from all walks of pop culture turned up to take in the bout.