Katy has four #1 singles, with this one having the potential to be the most explosively successful single from this era thus far. Her album has sold well and her tour is breaking records. This performance was way too sub-par. Oh, and maybe some people will always find something wrong, but complimenting something when there's more wrong with it than right is ludicrous.
Her vocals were much better than usually, but she shouldn't have tried dancing along. That just looked odd. Should've left it to the back-up dancers really.
Lol @ people saying she should try dancing. How about she works on her vocals a bit more first.