1. Heat oven to 375°F.
2. Cook pasta in large saucepan as directed on package, omitting salt. Remove from pan; drain. Meanwhile, add pasta sauce, tomatoes and cream cheese to same pan; cook on medium heat 5 min. or until cream cheese is melted and mixture is blended, stirring frequently. Return pasta to pan; mix well.
3. Layer half the pasta mixture in 13x9-inch baking dish sprayed with cooking spray; cover with layers of sour cream, 1 cup mozzarella and remaining pasta mixture. Top with remaining mozzarella and Parmesan.
4. Bake 20 min. or until heated through.