Justin Bieber, Rick Ross, 2 Chainz, & Monica Attend Mayweather vs. Maidana Fight

The stars packed the MGM Grand Garden Arena in Las Vegas to watch Floyd “Money” Mayweather take on Marcos “El Chino” Maidana for the WBC/WBA welterweight title on Saturday night. Floyd snapped a selfie with his pal Justin Bieber before heading to the ring to claim his victory.

“Love you champ @FloydMayweather,” said the Biebs as Floyd extended his undefeated record to 47-0.

Rick Ross, Jamie Foxx, Will Smith, Kevin Hart and his fiancée Eniko Parrish, and birthday boy 2 Chainz attended Showtime’s VIP pre-fight party, while Monica wowed with her soaring rendition of “The Star-Spangled Banner.”

50 Cent praised her performance, tweeting, “Monica sounded so good tonight it didn’t make no sense.”

Check out the pics from fight night below.

Photo credit: David Becker & Denise Truscello / WireImage