It sounds as if she's struggling for breath a little, then again I haven't heard a performance from her where she isn't. She hits the chorus well though. Nice Katy!
voice : she is improving
outfit : awful
performance : very good vocally but I got bored
after the performance : cute , smart and funny
the host : he is hoooooooot and I believe that he is not str8
the stage 
but you tried
