Zumba!

Today i scored a four pack dvd of zumba fitness dvds for 10 bucks i couldnt pass it up. Well ive heard very great things about zumba. Now lemme just say that i have been stuck at a plateu for a little over two weeks. I joined a gym, upped my workouts and im still stuck so im curious as to if anyone else has used it and if so how was your results? Idk love to see pics for inspiration if anyone wants to share and if you have suggestions on how i can get past 164 flat on my scale please feel free to leave comments or friend me!!