. >> reporter: sara jamison is one of thousands working for a better backside.nspired by brazil. >> it's the most important part of the body to work out. >> reporter: one our a day, four times a week she sweats it out for buns of steel. >> i have a little more work to do to get literally perfect but i think i look great. >> reporter: but if you don't feel like sweating, you can buy a little enhancement. in the past year women spent over $848 million in shapeware, including booty-boosting items. whether you hit the gym and earn it or hit the stores and buy it, one thing for sure, butts are in this summer. the bigger the better. we know they're in. personal train and bally spokesperson seven boggs is here to show us how to boost our booty. it's on the front page of the wall street journal talking about one of the products here, not the exercise products, but some of these products we saw in the piece that can really boost your booty. so, we have the inserts here. there are lotions, creams. do these really work for you to get that butt? >> i'm glad you touched base