(Talks about Miley Cyrus 'I always thought I'd be really fun to sing a song with Miley.

When I was a little girl I used to read fairy tales. In fairy tales you meet Prince Charming and he's everything you ever wanted. In fairy tales the bad guy is very easy to spot. The bad guy is always wearing a black cape so you always know who he is. Then you grow up and you realize that Prince Charming is not as easy to find as you thought. You realize the bad guy is not wearing a black cape and he's not easy to spot; he's really funny, and he makes you laugh, and he has perfect hair.

The Moment I Knew" "was a song about my 21st birthday party, which was the worst experience ever.

If you want some big revelation, since 2010 I have dated exactly two people. The fact that there are slide shows of a dozen guys that I either hugged on a red carpet or met for lunch or wrote a song with ... it's just kind of ridiculous.

My head's never really quiet. The only time I can get it to turn off is if I watch 'CSI' or 'Law & Order,' where I have to follow the crime. If I can't turn my head off during that, I know I've really got a problem.

They're [haters] just building you up to knock you down. But for me, they haven't.

My career always involved being the person in charge of what I was portraying to people. "I never wanted to be an image of something I didn't believe in, an image that somebody else had put together. The idea of that just really scared me, more than the idea of failing.