Brown your Italian Sausage, drain and set aside.
Saute diced celery, onion in garlic in olive oil until just tender.
Add Italian sausage, crushed tomatoes and peeled tomatoes. Stir and let cook on medium for about 10 minutes.
Add broth, sugar and seasonings. Simmer for about 30 minutes.
In the meantime, boil shell pasta in salted water until al dente.
Put desired amount of pasta in bowl and spoon soup over. Garnish with your favorite Italian Cheese.