Preheat oven to 400°F. Spray small nonstick skillet with cooking spray; heat over medium heat. Pour Egg Beaters into skillet. Cook until almost set; stir. Cook an additional 6 minutes, or until Egg Beaters reach desired doneness, stirring occasionally. Remove from heat. Stir in bell peppers, tomatoes and bacon.
Place bread shells on ungreased baking sheet. Top evenly with the egg mixture and cheese.
Bake 7 minutes, or until cheese is melted and golden brown. Cut each pizza into 4 wedges to serve.