In an effort to top their Heidi Klum Guitar Hero: World Tour commercial, Activision has enlisted not one, not two, but ten Playboy Playmates for a new Guitar Hero 5 television ad. Like Klum, they have misplaced their pants.

Yep, it's another "Risky Business" spoof. Among the ladies featured in the video are Crystal Harris, twins Karissa and Kristina Shannon, 2005 Playmate of the Year Tiffany Fallon, and 2006 Playmate of the Year Kara Monaco. Playboy founder Hugh Hefner's there, too, but he's luckily kept his pants on.

Guitar Hero 5 arrives in North America on September 1st and in Europe on September 11th.