WrestleMania's 10 greatest celebrities

#4 Floyd Mayweather, WrestleMania XXIV

Floyd “Money” Mayweather hasn’t always backed down from a fight, as he showed at WrestleMania XXIV, when he stepped into the ring to face Big Show. Mayweather gave up nearly 350 pounds to The World’s Largest Athlete, but he was able to fell the giant thanks to well-placed interference by his entourage and a set of gold knuckledusters.