Oh I know that feeling and its so frustrating!
Apparently, when we lose weight, the weight drops off initially, but then reaches a plateau as our bodies go into survival mode...our metabolism actually slows down, as it would if there was a famine, it tries to stop us from losing the weight!
But, keep holding in there, because it does eventually begin to lose again, just make sure you are burning up lots of calories in exercise..a little a day helps, even a 30 min walk...
I am with you, I am in the same boat!
Good luck!