First, in order to see results quickly cut the carbs:
No bread, rice or pasta for four weeks.
Do this lower body workout 3 times a week for 4 weeks
Steps
Find a set of stairs with multiple flights. Briskly walk or jog up at least 2 flights (try to make sure there are at least 10 steps in each flight) 10 times. Make sure you ascend the flights hitting every other step.
Walking Lunges
This exercise will shape your lower body, give you great glute separation and a rounder bottom. Do 3 sets of 20 repetions without weight. Reference any Shape or Fitness RX magazine or other fitness websites for a detailed description of proper form.
Squats
The best overall lower body exercise around. This exercise will give you a hard, firm and again rounder tushy. Do 3 sets of 20 reps without weight. Again reference magazines or websites for detailed descriptions of proper form.

