Well, she appears, if you're looking closely, to cross her legs during the turn just as she faces you. When they cross, take what appears to be her left leg (the darker colored leg) and lift it about a pixel  or so while leaving the lighter colored one flat to the ground.  It might make the leg crossover look a little better.  I'm not sure if it would look more natural, but it's where I'd start if it were me.  I hope that was an easier explaination and didn't make you more confused.  

I don't think I understood your suggestion… would you mind explaining it again? :)

I really like the way the light shines on her.  Very cool!  I understand what they're saying about the legs, but I can see what you intended.  Maybe if you brought the leg up a smidge that is crossing over it would look more natural instead of having to imagine she's sliding her foot.

As I went with the art, it seemed as she was changing her legs during the spin. Almost as if she was posing on a rotating platform. I already wanted her to move the head a bit, as if looking at the screen (us), and I thought that leg-shifting looked nice. But not very natural, I guess.

It looks like she is standing still and spinning, but she is also moving parts of her body too, I think. I also think the loop is a bit uneven for the legs though.

What is happening with the legs? They appear to cross over twice turning one way and not at all the other way..