Roastmaster Jeff Ross Heats Up 'TMZ on TV'

9/16/2010 11:30 AM PDT
Jeff Ross -- the guy who put on a Speedo to roast David Hasselhoff -- has assumed control of Harvey's sippy cup to host today's episode of  "TMZ on TV."


Dude goes off about Kim Kardashian, The Situation ... and even Mel Gibson -- you're not gonna wanna miss this stuff!!

Check your local listings!