Add chicken, 1/2 cup water, both tomatoes, italian seasoning, garlic, peppers, onions, salt, pepper and crushed red pepper to instant pot. Lock lid; set valve to sealing. Program for manual-high and 25 minutes. Quick release. Shred chicken. Add pasta and broth. Lock lid; set valve to sealing. Program for manual-high and 4 minutes. Natural Pressure Release or Quick Release. Top with cheeses and let stand an additional 5-10 min to melt the cheese.