Answer: HELL YEAH!
I've been researching about whether lifting weights is something that is essential for us women to incorporate in our weekly work-outs to get or keep the bodies we desire without looking less like the Incredible Hulk and more like the supermodels in these pics ;). And this is what I found out...
I feel that my body is in the best shape it has ever been and people constantly compliment me that I look like I have lost weight and that my stomach looks so much more toned (which is super exciting for me since most of my fat is in my stomach..yes I am one of those unfortunate people who got teased about looking pregnant as my legs were so skinny in comparison to my belly).
From MY experience and the research I have done lifting weights has all these benefits:
1. You'll lose 40% more fat
2. You'll burn more calories
3. Your clothes will fit better
4. You'll keep your body young
5. You'll be overall healthier/happier and reduce risks of cancer
This is not a joke ladies :P! Lift weights once a week, do cardio and throw in a class twice a week and I guarantee that is the best way to get a lean toned body! + with the help of an appropriate healthy diet of course.
Now lifting weights has to be done properly therefore I recommend getting a couple of personal trainer session so that you can learn how to position your body and how many to do and lalilalida.