She says that the overwhelming number of skimpy fashions marketed to tweens is training young girls to believe that appearance is everything - and they're only worthwhile if they look sexy. In fact, experts say that when young girls wear revealing clothing, it sends the message that they're sexually available, way before they should even be interested in boys. Experts also say that the more young girls are exposed to sexualized clothing, the more likely they are to put themselves into risky situations.