Heidi Klum Rocks out to Guitar Hero World Tour...

... in her bra and panties. I'm not kidding. It's crazy! They got this whole Risky Business thing going with their commercials. If this had a rating it would be PG-13 because she is almost naked and shakes her bobbies a lot. But, I guess thats what shes gets paid to do so check out the new Guitar Hero World Tour Commercial below and enjoy the show.