Last week, Playboy reveal the model for their new "Sex and Music" issue: Bruno Mars. Like you, we were expecting a gorgeous, musically-inclined Playmate with a body that would invite us to flip through the pages. But no, we got the tween hearthrob who sang that "Grenade" song and powered the Twilight: Breaking Dawn soundtrack on the cover of an often iconic nudie magazine. Lucky for him, Bruno's issue isn't the first one that we refused to pick up. Just take a look at these 8 Playboy Covers That Turned Us Off.