PREHEAT oven to 350°F.
COOK spaghetti according to package directions, omitting salt. While pasta is cooking, add remaining ingredients to a skillet; cook and stir over med. high heat until VELVEETA is completely melted and mixture is well blended.
DRAIN spaghetti, rinse with cold water, and drain again. Add to chicken mixture and gently combine ingredients. Spread in a 13×9-inch pan sprayed with cooking spray.
BAKE 30 to 35 minutes or until heated through. Sprinkle with a little chopped cilantro.