Yes.

They know.

Perhaps on a more subconscious level that would make them uncomfortable, but they know. As I made in a recent post about Maria Isabel, another young singer, its obvious from the way she's promoted and the way her videos are shot that her producers/promoters are making use of the sexiness that radiates off her in waves.

And take a look at the child models you see modelling for Guess and other child clothing lines. They dont just get the 'cute' kids, they find the 'hot' ones.