Heat a large Dutch oven coated with cooking spray over medium heat. Add sausage; cook 5 minutes or until lightly browned. Remove from pan. Add celery to drippings; cook 3 minutes. Add garlic; sauté 30 seconds.
Add sausage, tomatoes, and next 7 ingredients; bring to a boil. Cover, reduce heat, and simmer 10 minutes. Stir in shrimp; cover and simmer 10 minutes. Discard bay leaf. Serve over rice. Sprinkle with parsley.