Did this circuit 3x and I was dripping sweat!!! - changed it up just a tiny bit (i.e. 20 squats, some wide legs/some regular, :30 superman, arms out for high knees, diff. stuff for vertical leg crunches, high/lo plank) Check out Dieting Digest
Inner thighs workout- great idea for all you fellow dancers :)
Vertical leg crunches
These types of exercises, + lower back exercises (build whole core) AND healthy, quality eating is how you reveal the ab area!
6 types of crunches - work your abs in different ways.
Vertical leg crunch. Targets your rectus abdominis. Your internal and external obliques act as synergists.