D.T.
Consequences are key to all discipline. Around here my sons lose something for breaking the rules. The little one loses his freedom the older one loses one thing at a time until he only has his freedom left then he loses his freedom too.
It's key to avoid feeding her need by having a long drawn out conversation with her like in this parenting style:
http://lifematters.com/step.asp
Consistency is the second step. Take it away then make sure she has a chance to earn it back by deed not words.