Ex-heavyweight champ Mike Tyson arrived donning a light blue suit.
And LeBron arrived with gorgeous wife Savannah Brinson who left nothing to the imagination by wearing a revealing dress with cleavage on display.
Hard-nut Vinnie Jones was in attendance after predicting that Conor McGregor needed to win in the early rounds while Ozzy Osbourne came along with his family.
As the fight gets under way rapper P Diddy is watching from the other side of the ropes.
The bout began slow but Mayweather quickly found his rythm before launching an onslaught of punches to McGregor’s face.
Enrichas Online reported earlier how a Las Vegas brothel is targeting British fight fans after the contest.
The bout is expected to have earnt Mayweather over £100million for the Las Vegas showdown.