To slim your belly, try these 5 Tips/Exercises: 1. Plank: Hold a push-up position with forearms on the ground. 2. Bicycle Crunch: Lie on your back and alternate elbow-to-knee touches. 3. Russian Twist: Twist torso with a weight or medicine ball. 4. Mountain Climber: Bring knees to chest in a push-up position. 5. Reverse Crunch: Lift hips while pulling knees towards chest. Consistency is key to seeing results, so incorporate these exercises into your fitness routine and combine a healthy diet.