Jessica Sanchez

I'm playing a powerhouse singer who is big competition, but she's also really down to earth and sweet. But the whole sweet thing goes away when she's in competition mode. I love the show, so I'm very excited to be a part of it. I'm going to kill it on 'Glee!'

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.