Vegas Sees Stars After Mayweather KO

Didn't this man just have a boxing match last night?! Floyd Mayweather, Jr. beat the crap out of Ricky Hatton with a tenth round KO to retain WBC welterweight title -- and then went out and partied last night at JET. Talk about rubbing it in!

Tons of celebs came out to witness the royal ass whoopin' "Pretty Boy Floyd" laid on Hatton. Blood and aggression are so hot these days!