Forget a club or fancy restaurant -- Floyd Mayweather celebrated his 48th birthday in ultimate style by throwing a massive party at the iconic Versace Mansion!!
The legendary boxer had the whole Miami Beach landmark to himself this week ... proving once again a guy like T.B.E. needs way more than 24 hours to honor his special day.
Mayweather set up shop at the 23,000-square-foot estate with his family and friends ... including Rick Ross (who also performed!