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.
Fitness - Exercise - Workouts: Don’t give up on your goal to lose stomach fat fast After a couple of weeks you might find that you’re not losing weight or inches anymore. Don’t give up, sweetie! That’s just a … fitness, exercise, working out
[Yes! Women Can Be Slim With Perfect Body Even Over 50: 9 Best Diet for Women]