it may be look alike, but im pretty sure thats not the one she wore in that concert, i mean, she's a star she can afford to replace things and buy more. :)
Are not the same the one she uses in DITD and Glitter And Grease well and Just Dance are cutted ad have no holes! But I saw a pic of her wearing an oldie shirt :D
of course just like the famous sparkly bra,we should all re vamp our clothes,that is what i am going to do for the ball next month,otherwise i dont have shit to wear