Jim Brown did it big for his 80th bday Thursday night -- with tons of HUGE STARS showing up to party ... and toasting the NFL legend with some of the most expensive booze at the bar!
It all went down at the St. Regis in San Fran -- where stars like Ray Lewis, Emmitt Smith, Ronnie Lott, Ludacris and Swizz Beatz and more partied at the event thrown by Haute Living.
But the highlight was the group toast ... where 100 people each raised a glass of Louis XIII cognac -- which goes for $350 per shot at the hotel.
There's more ... Brown was also presented with a painting from street artist MadSteez ... a painting that had been sold for $25,000.
In the end, we're told the event raised $100k for Brown's charity
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