Mel B's Bod Scary Tight

6/1/2009 3:30 AM PDT

Mel B's Bod -- Scary Tight

There's clearly a reason Mel B was dubbed "Scary Spice" -- because that is one ridiculous body anyone would be afraid to mess with.

Mel and her muscles flexed on the physically inferior at Tao Beach in Vegas this weekend ... and then she left to go work out some more.