"Heidi Klum might be right: In fashion, you're either in or you're out. In rock and roll fashion, though, things aren't so cut and ... sewn. Just like the music itself, some styles never really go away, while others bounce in and out of cool faster than a faux-hawked drummer's double-bass-drum pedal.
Which brings us to the latest hot-or-not accessory: guyliner (i.e. eyeliner on guys)."
The rest of the story at VH1.com