[header] How to approach women in bars [title] Make eye contact with the girl you want to talk to. [step] A great way to let someone know that you're interested in them is by making eye contact with them. Make sure not to stare for a long period of time, or it may come off as creepy. 
She may not notice you the first time around, but don't get discouraged. Make sure you're in her view, and try to catch her when she's looking in your direction.