Combine chicken breasts, vegetables, diced tomatoes, about 4 cups of water, 4 cups of chicken broth, chopped parsley, garlic, salt, and pepper in a slow cooker.
Cover and cook on LOW for 4-6 hours, until chicken is fully cooked.
Remove chicken breasts from the slow cooker and shred.
Gently mash the vegetables in the soup about 3-4 times.
Prepare ditalini pasta according to package instructions and drain.
Add shredded chicken and cooked pasta to the slow cooker and stir.
ENJOY!!