Celebrities at Floyd Mayweather Jr vs Conor McGregor - in pictures

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  Conor McGregor before the fight. Reuters

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  Ozzy Osbourne, left, and his wife Sharon wait for the super welterweight boxing match. AP

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  Demi Lovato sings the National Anthem. AP

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  Film director Michael Bay in attendance. Mark J. Rebilas

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  Houston Rockets player James Harden. Mark J. Rebilas-USA TODAY Sports

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  Steve Harvey after the fight. Reuters

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  P Diddy before the fight. Reuters

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  Cleveland Cavaliers' LeBron James. Reuters

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  Boxing - Floyd Mayweather Jr. vs Conor McGregor - Las Vegas, USA - August 26, 2017 Cleveland Cavaliers' Isaiah Thomas before the fight REUTERS/Steve Marcus

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  Mike Tyson before the fight. Reuters

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  Demi Lovato sings the national anthem before the fight. Reuters

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  Imelda May sings the national anthem before the fight. Reuters

Hollywood's showbiz elite descended on Las Vegas for the epic money-spinning superfight which saw Floyd Mayweather take down Conor McGregor by knockout in the tenth round.  Demi Lovato led the way singing the American national anthem to open proceedings.

Also spotted were Bruce Willis, Jerry Bruckheimer, Sean "Diddy" Combs and Mike Tyson. Sharon and Ozzy Osbourne made a night of it too. Dwayne Johnson better known as The Rock officiated the voice-over for the night.

The fight between the undefeated welterweight boxing world champion Mayweather, and mixed martial arts star McGregor drew worldwide attention with it being McGregor's first professional boxing match and one which Mayweather came out of retirement for.

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