More pics of Justin at the MGM Grand Garden Arena in Las Vegas, Nevada. (may 3)

justinbieber: “You can’t go into a ring, fight dirty and try to win against the most technical fighter in the sport.”

justinbieber: 46-0 ♛

justinbieber: Haha ♛

adidasneolabel: Justin checks out what’s hot on the NEO rack.

johnny: JB making sure the champ gets taped up right. :)

tyrese: TWJ #Ring #Vegas #SideLineJokes

floydmayweather: Thank you @sirbizzle, @liltunechi and all of #TMT for your love & support. We did it. 46-0

johnny: Tired but had a blast

Justin and Floyd Mayweather Jr. celebrate after Mayweather Jr. defeats Marcos Maidana by majority decision in their WBC/WBA welterweight unification fight at the MGM Grand Garden Arena in Las Vegas

justinbieber: @yoventura @kyliejenner

sirbizzle: #TBE 46-0

justinbieber: He can’t lose ♛ love u champ

@justinbieber

@scooterbraun: Just got texted this pic from @justinbieber “the champ says hi” :) crazy life and a great night for sports. Now back to game 7

iam_vernonb: This was a great fight . Congrats on the win Mayweather ! I see you @justinbieber #mayweathervsmaidana #mgmgrand

justinbieber: ♛ (via @shots)

Justin enters the area before Floyd Mayweather Jr. takes on Marcos Maidana in their WBC/WBA welterweight unification fight at the MGM Grand Garden Arena in Las Vegas (may 3)

Justin walking out with Floyd Mayweather for Mayweather’s fight in Las Vegas (may 3)

Justin backstage at the Mayweather vs. Maidana fight in Las Vegas (may 3)

@justinbieber: ♛

sirbizzle: Getting ready to walk the champ @floydmayweather out right now

justinbieber: #moneymayweather

justinbieber: ♛

DavidLLevi: We ready! @floydmayweather and @sirbizzle in the locker room. It’s fight time

Justin with Floyd Mayweather and Lil Wayne

justinbieber: Debo from Friday

destorm: So @hardrockhotellv got #rehab turntup! w/ @sammy @justinbieber @kingbach @bigdaddykane757

destorm: Vegas! @sirbizzle @bigdaddykane757 @kingbach @sammy

sammy: We out here Vegas @kingbach @johnny (via @shots)

sammy: We out here Vegas @kingbach @sirbizzle

kingbach: Turnt up!! @sirbizzle @sammy