But Mayweather also entered the arena with his own pair of celebrity escorts, rapper Lil Wayne and singer Justin Bieber. Lil Wayne performed his track "A Millie" on one side of the undefeated Mayweather, while the 19-year-old Bieber looked aloof in sunglasses.
"Proud to be a part of the legacy of one of the greatest athletes that ever lived. & that's the legacy of the great Floyd "$" Mayweather," Weezy tweeted Saturday.
"#MoneyTeam #thechamp #undefeated," Bieber captioned an image of himself next to Mayweather.
Celebrity Couples of 2014 [PHOTOS]