Preheat oven to 350 degrees.
In large skillet, heat olive oil over medium-high heat.
Add onion and garlic; cook 3 minutes, or until tender.
Stir in chicken, tomatoes and cream.
Bring to a boil over medium-high heat; reduce heat, and simmer 10 minutes, or until slightly thickened.
Add cream cheese and 1 cup mozzarella cheese; cook, stirring constantly until cheeses are melted.
Add pasta, tossing gently to coat.
Spoon into prepared baking dish.
Sprinkle evenly with remaining cheese.
Bake 30 minutes.
Ready in 45 minRelated Recipes: Find some more amore with these Italian dishes! Try: Fried Ravioli Shrimp Scampi Pizza Margherita.