Preheat oven to 350 degrees. In a 13x9x2 inch baking pan, mix together the shredded cooked chicken meat and entire bottle of hot sauce, spreading to form an even layer.
In a saucepan over medium heat, combine cream cheese and entire bottle of Ranch dressing, stirring til hot and smooth. Pour this mixture evenly over the chicken mixture to form a second layer. Sprinkle with chopped celery and bake uncovered for 20 minutes, then sprinkle on cheese and bake for another 15 – 20 minutes til bubbly.
Serve hot or at room temp with celery sticks and/or any sturdy chip.