Remember that our bodies are different, and finding clothing that best fits your body shape can go a long way. Here are a couple resources that provide some useful tips in how to recognize what will work best for you:
Spanx Shape Wear:
Maidenform Shape Wear:
Keep in mind there are many brands out there with a great variety of styles of shape wear, so look around and you can find the right match for your body and for the outfits you plan to wear.