I dunno, I found potty training to be a bit of a head fake. When they're ready, they're ready. My boy, for example, declared one day that he was a "big boy" and that was that. He never used a diaper again. My girl took longer, and she needed a little more hand-holding, but she really was in the driver's seat.

My advice: Just let her know that big girls don't use diapers, and that if she wants to be a big girl, she needs to use the potty. And then wait for her to be ready. Every parent who tries to push this to happen faster winds up miserable.