Watching these Guitar Hero spots with David Cook and David Archuleta each re-enacting the famous depantsed-Tom Cruise scene in Risky Business with the video game, it's pretty obvious why Cook was crowned American Idol. He really commits in this clip, ruling the lip-synced song, and showing off all his moves. I'm sure Simon would agree. I guess the ad did its job too — I totally want to go pick up my plastic guitar and unleash my inner rock star!

To see David Archuleta's version, just