What should I wear to the Justin Bieber concert?

I am going to a Justin Bieber concert November 8th and idk what to wear!
Also should i straighten my hair and wear it down?

And to all you jb haters: if you hate jb then why did you even click this question! So stop answering wit stupid stuff bout how much you think he sux or that you hate him! Get a life and get over urselves!!!!!

justin bieber concert