Unlike many other dance forms, belly dance is friendly to big beautiful bodies. It's a low impact workout that is gentle on the joints so it's a good start for those who want a moderate exercise program that is also fun!
Many however wonder about belly dance wear for plus size women: what's the best shape? where to get it? ... etc
My favorite website by far is Bellydanceplus.com by Shira. The website offers not only links to online stores but also great advise on the best costume types that would flatter your shape:
Belly dance wear
For sports bras that would flatter your top or to wear in a belly dance class, check out Woman Within online store.