So she's two people? That's quite a talent.
get to know her and let her get to know u. then just be ur self.
If u like a girl who already has a boyfriend but you dont know if she likes you or know,the first thing you have to do is that you will have to make friendship with that girl and if she is already your friend,then increase your friendship and one day confidently ask her that what does she feel about you..
tell your girlfriend and then go to your boyfriend and say all the good things about your girlfriend
get drunk
If you want to get to know the girl you fancy a little better, go to the party, too. Let your friend know that you want to come if s/he doesn't know already. Find an opportunity to introduce yourself and speak to the girl.
Threesome! Assuming that the homecoming is not your homecoming too. It is quite acceptable that his friend asks him to be an escort to her home coming if she has no other person to invite, assuming you know the girl I can't see a problem. If you dont I would be wondering how come you don't know the friend already. If you have a good relationship with your boyfriend he should have mentioned her at least in passing. Perhaps asking him how they know each other is the best idea before making your mind up.
You just do it. Start by saying how much she already trusts you and how much better it works because you already know each other so well. Its up to her to say yes pretty much
You can't make a girl jealous only when you know the girl likes the guy. If you know that the girl likes the guy but already has a girlfriend, then spend more time with the girlfriend that the guy already has and then laugh alot areound her and if the girl you're trying to get jealous treat her like a friend but ignore her, but not too harsh!
Most guys go after someones looks. If you already have a guy in mind, get close to him. Become his friend and hang out with him. Get to know him.
Friends are friends and if you like this girl then it does not matter if this girl is an ex of your other friend, but be sure to let your other friend know you are seeing this girl and why. When you are with the ex girl try not to discuss the relationship she had with the other friend and just enjoy each other.
get your friend a date... not the girl you like
Try being friends with any boys that are already friends with her and then you'll know her better (worked for me) This answer is insufficient the legitimate way to befriend a girl is to make friends with her friends, and then get to know her better. If you guys have an amorous relationship then you could ask her out on a date and she probably will acquiesce