Bryan Altman, CBS Local Sports

Updated: 9/12 – 11:08 p.m. ET

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Nobody knows exactly what to expect when Floyd Mayweather and Andre Berto meet in the ring this evening, but we definitely knew that the scene surrounding Mayweather’s final bout at the MGM Grand in Las Vegas would be a raucous one. Celebrities, athletes and boxing royalty alike have been arriving at the MGM Grand Arena for the fight all evening long. Here are some of the best tweets from those arrivals and folks at the arena for the final fight of Floyd Mayweather’s legendary career.

Needless to say, both of the fighters are ready.

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As are their entourages.

Arizona Cardinals and the NFL’s first woman to coach in the league, Jen Welter, arrived as part of Floyd Mayweather’s entourage.

There are plenty of celebrities on hand as well.

Vince Neil from Motley Crue arriving on the scene.

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DJ David Guetta is in the house.

NBA players Caron Butler and Metta World Peace.

Justin Beiber is ready to join Floyd as per usual.

So are some of the stars from Showtime’s hit show Shameless.

Rapper/actor Bow Wow.

Comedian Kat Williams.

Best sure to keep checking in as we update what’s happening on Twitter here throughout the night. Or check out or live blog for real-time analysis and updates from the fight.

Bryan Altman is, for some reason, an unabashed fan of the Rangers, Jets and Mets. If he absolutely had to pick a basketball team it would be the Knicks, but he’d gladly trade them for just one championship for either of his other three teams.

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Questions or comments? Feel free to follow Bryan on Twitter or send him an email