Mayweather vs. Alvarez: Hollywood's Best Tweets

Justin Bieber Lil Wayne - H 2013
Al Bello Getty Images Sport

Stars make fun of Justin Bieber escorting Floyd Mayweather into the ring, wondering if it's a grab for more Pay Per View dollars.

Floyd Mayweather is taking on on Saul "Canelo" Alvarezat the MGM Grand Garden Arena in Las Vegas Saturday night, as stars including Justin Bieber, Lil Wayne, Kevin Hart, Charles Barkley and more look on.

American boxer Mayweather, 36, is fighting 23-year-old Mexican Alaraz in a much-hyped bout that guarantees Mayweather a record $41 million purse. Both boxers are undefeated going into the match, which is airing in Pay Per View.

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Online, Hollywood took note of the match, with a number mocking Bieber's role as apparent hype-man for Mayweather. (The singer was among the entourage escorting the fighter into the ring.)  Comedian Jim Gaffigan tweeted: “'If I walk out with Justin Bieber, people will tweet about it & I’ll make another $20MIL from PPV sales.'” Floyd Mayweather Jr."

Meanwhile, ESPN Magazine's official account tweeted: "Let’s be real, if Mayweather loses this bout, we’re all blaming Beiber," 

Find more tweets below.