Do something about it starting today! (and do yourself a favor, don't go on a fad diet just eat fresh fruits and veggies and no processed foods) to achieve this look you must use weights. You can start out with body weight at first if you need it.
72 Hour Juice Cleanse ~ Reset Your Mind & Body Naturally. Detoxify Your Body, Speed Up Your Metabolism, and Regain Your Energy. Three Day Easy Cleanse with Juicing in the Day and a Healthy Meal in the Evening.