The much-anticipated welterweight showdown was largely uninspired and many casual fans turned to who was ringside for the fight night at the MGM Grand.

Actor/singer Jamie Foxx kicked off the match with a rendition of the American national anthem, Justin Bieber entered the arena as a member of Mayweather, Jr.'s entourage and U.S. chat show host Jimmy Kimmel entered as part of team Pacquiao.

Bradley Cooper, Nicki Minaj, Mike Tyson, Ben Affleck, Mark Wahlberg, Mary J. Blige, Sean 'Diddy' Combs, Paris Hilton, Liev Schreiber, Drew Barrymore, Claire Danes and sports supercouple Andre Agassi and Steffi Graf were also spotted ringside at the fight.

Champion Mayweather, Jr., retained his triple belts by winning a unanimous decision after 12 rounds.