C'mon now Katy.... you've been in the game for four years and your ass still can't hit the notes correctly and effortlessly live? It's amazing what pitch correction can do. Wow, just wow.... she didn't hit 90% of the damn notes! She really can't sing and she has a limited range. It's her and Rihanna who are the worst live singers. And for Rihanna to have been in the music industry for fucking 7 years and sound as bad as she did when she was 17 is fucking ridiculous! It's not like like they are brand new singers.... they've been in the business for years. I just wish all the stupid people would stop supporting these talentless hacks!