1.
Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
2.
Justin Bieber and Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
3.
Young Jeezy attends the Mayweather Vs. Maidana Pre-Fight Party Presented By Showtime at MGM Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Mindy Small/WireImage)
4.
Rick Ross attends the Mayweather Vs. Maidana Pre-Fight Party Presented By Showtime at MGM Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Mindy Small/WireImage)
5.
Justin Bieber, Tyrese and Lil Wayne appear in the ring before the WBC/WBA welterweight unification fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
6.
Tyrese sings the National Anthem before the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
7.
Justin Bieber and Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
8.
Lil Wayne in the ring before Floyd Mayweather Jr. takes on Marcos Maidana in their WBC/WBA welterweight unification fight at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Harry How/Getty Images)
9.
Kendrick Lamar attends the Mayweather Vs. Maidana Pre-Fight Party Presented By Showtime at MGM Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Mindy Small/WireImage)
10.
Khloe Kardashian attends the Mayweather Vs. Maidana Pre-Fight Party Presented By Showtime at MGM Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Mindy Small/WireImage)
11.
Justin Bieber and Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
12.
2 Chainz arrives at the pre-fight party for ‘The Moment: Mayweather vs Maidana’ at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/FilmMagic)
13.
Atlanta Falcons wide receiver Roddy White attends the Mayweather Vs. Maidana Pre-Fight Party Presented By Showtime at MGM Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Mindy Small/WireImage)
14.
Justin Bieber and Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
15.
Justin Bieber and Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
16.
Justin Bieber and Lil Wayne in the ring before the start of the fight between Floyd Mayweather Jr. and Marcos Maidana at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. (Photo by Ed Mulholland/Golden Boy/Golden Boy via Getty Images)
