They like music where the lead singer has been kicked in the balls one too many times.
Faces are usually horrifically disfigured so they cover it with hair.
Atleast, this is what I'm lead to believe.
While to be "emo" you're supposed to act depressed, emo chicks actually act kind of perky.
In this way they're like preps but with pretty scars.
emo chick: not really! i feel happy! want to go listen to some bad music?
person: ..not really. go fuck off and die, okay?"
emo chick: okay!