Heat oil in large skillet on medium-high heat. Add bell pepper, celery and onion; cook and stir 5 minutes or until softened. Stir in Italian seasoning and red and black pepper.
Cut sausage in half lengthwise, then in 1/2-inch slices. Add sausage and shrimp to skillet. Cook 2 minutes or until shrimp begin to turn pink. Add chicken broth. Bring to boil.
Break pasta in half; add to skillet. Cook 3 to 5 minutes or until pasta is just tender, stirring occasionally.