I weigh 250 lbs. i'm 20 years old most of my fat comes from my rear end, and thighs, i have a little belly fat i walk often what's the best excersise?

Maybe need more...: Body sculpting sounds promising (& there are gimmicks & diets that promise you their products can do this), but the only way to effectively spot-reduce unwanted tissue is to surgically remove it. The "pear" body type preferentially stores fat around the hips; "apples" store it around their waist. Lose 1 pound of fat for every 3500 calories you drop or exercise off, but you can't pick where--sorry.

Start w weight loss.: There is no such thing as spot fat loss. You would need to lose weight in general & a certain proportion of that will be butt, thigh & abdominal fat. This can be done by eating healthfully, being physically active and making sure that calories burned exceed calories consumed.However you can improve your appearance by toning your abs. To tighten your abdominal muscles consider doing crunches, .