Position rack in center of oven and preheat to 350°F.
In a large bowl, beat cream cheese until smooth.
Blend in wing sauce, blue cheese dressing, diced chicken, 1 cup shredded cheese, and blue cheese crumbles (if using).
Spread in a shallow 1-quart baking dish and sprinkle with remaining shredded cheese.
Bake for 20 to 25 minutes or until cheese is bubbly.
Serve warm with desired dippers.
