Preheat the oven to 350.
In a large skillet, cook bacon over medium high heat until evenly browned.
Set on paper towels to drain.
In a bowl, combine mayonnaise, sour cream, cream cheese, and cheese.
Crumble bacon into mixture, reserving some for the top.
Bake in the oven for 20 minutes. Top with tomatoes, lettuce, and remaining bacon bits just before serving.