Any fairly complete body exercise does a bunch of great things for your body, in terms of every fat loss, muscle building/toning, and improving overall health and fitness. Train a couple 4 times a week. Not only will you lose your belly fat faster, you will jointly create powerful metabolic and hormonal changes in your body that can create easier to induce shape and lean faster.
Do not forget to eat a healthy diet, do not skip breakfast and exercise often, naturally increasing your energy, sleep a lot and drink a lot of water every day.
These are just a few tips for fast weight loss