I would be a horrible lip-syncher. I would only ever sing live - that's why people come and see the show. It's not the easiest thing in the world to sing and dance at the same time, which is why I'm grateful to be able to do both.
When you break a sweat you just feel great. You've got your endorphins going. You feel better. You look better. And if you aren't able to get a workout in, try to find a steam room somewhere. You just look and feel so much better after a sweat.
I come from a strong religious background, and I had a very conservative upbringing. So I was nervous, and confused. Here I was wanting to be Whitney Houston, so why did I have to dress in lingerie to do that? I didn't get it.
Confidence comes with maturity, being more accepting of yourself.