LAS VEGAS, NV - MARCH 25: Television personality Ronnie Ortiz-Magro from MTV's "Jersey Shore" arrives at the LAX Nightclub at the Luxor Resort & Casino March 25, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for LAX Nightclub)

Ronnie from the Jersey Shore was spotted in Vegas covered in blood.

What the hell happened?

Watch the story below from TMZ: