Don't miss Katy Perry's exclusive "MTV First" video premiere and interview.

We saw a small peek of her "Wide Awake" video earlier, but we're about to get to know a lot more about Katy Perry and the last chapter of her Teenage Dream fairy tale saga during "MTV First: Katy Perry." Watch Sway sit down with Katy Perry to delve deep into the life of our favorite Teenage Dreamer.

+ Watch "MTV First: Katy Perry," and watch her "Wide Awake" video after the jump!

Watch Katy Perry's "Wide Awake" video: