from wikihow: how to find a sexy girl, step 5. False. How to get that girl: be an asshole.
Then she’ll make her own conclusions or not. But chances are 90% of girls will get caught simply by you being an asshole.
Be confident and be yourself. Sexy girls get hit on by guys who are overconfident and come of as assholes or man whores. You want to come off as a good guy, but slightly mysterious so she wants more and more and more of you.