HEAT oven to 400°F.
COOK meat with Taco Seasoning Mix as directed on package. Spoon onto pizza crust; top with cheese. Place directly on oven rack.
BAKE 8 to 10 min. or until crust is golden brown and cheese is melted.
TOP with lettuce and tomatoes. Crush Taco Shells; sprinkle over pizza. Drizzle with Salsa.