dont be disheartened jd, you have put the foundations in, her prey drive is starting to kick in as has already been said, your foundations will be there in the background, she knows better, she's just being cocky.
Sometimes, certain pups, have to make a mistake to be corrected. Its almost a regular occurrence mate, it'll pass, stick to your game plan, and above all, be consistent in what you do. good luck.
b