How to get picked to be Justin Biebers OLLG?

Ok, First of all, haters..please dont hate.
So Im going to buy tickets to justin biebers concert and their gunna be really good tickets like front row, and i was just wondering how they pick a girl for him to sing to? I want to be that girlll soo bad. please tell me how it happends :)
thank you!

justin bieber concert