How to keep my best friend from coming to this concert?

ok so my friend and me were going to go to this concert in february and I happened to mention it in front of my best friend because im stupid and cant keep my trap shut and then my best friend totally invited herself and the only thing is I always hangout with my best friend and I kinda just wanted to hangout with my other friend because my other friend doesnt even know my best friend and she doesnt want my best friend to come and if I tell my best friend this then shell get all mad at me because shes really dramatic. but I really dont appreciate her just inviting herself and I dont want her to come either. and I cant just lie to my best friend and say im not going to go but then go at the last minute because my best friend is going whether I come or not. how should I stop her from going to the concert?

I hope you know that the best thing to do is 'politely' let your friend know that you had made plans already with someone else and that other person is really shy and doesnt do well meeting new people. The best thing to do is tell her the truth. But if thats to much for you, then I guess you can get your parents in on it. When your best friends over, do something your parents dont let you do (let your parent know before though) then make one of them tell you in front of her that you can no longer go to the concert. Maybe she'll get the idea? I dont like lying to people, but if you're ok lying to your best friend, then thats the only thing I can suggest.

ask your best friend if shes gotton a ticket yet ((if its one of those concerts..not just pay at the door or w/e)) or like say you got into trouble and cant go. you could just tell her bluntly that since you two hang out all the time you feel you should hang out with another friend for a change if she has a problem with it then shes not that good a friend, she should be able to accept that you want to hang out with diff. people its not like your going to dump her away.

You made the mistake - I think the stand-up thing to do is honor this with your Best friend - 'go behind her back' next time if that's important to you and you don't want to include her.

A concert is a public event, not something just for you and your friend. If your other friend wants to go then let her. It sounds to me like your shy friend is afraid of change.

^ good answer!

If she's your BEST friend, why wouldn't you want her to go? Her opinion and feelings should matter more to you than just someone who doesn't mean as much to you. I also agree that you cannot tell someone else they can't go to a public concert. But you can try if you want to find a new best friend.

just tell her why you really picked your friend instead of your bff!