In a large bowl, stir together the diced tomatoes, 1 cup shredded cheese, minced garlic, chili powder, cumin, garlic powder, onion powder, and paprika. Stuff each of the peppers with ¼ of the rice mixture.
2 cups cooked rice, 10 ounces diced tomatoes, 1½ cups shredded cheese, 2 cloves garlic, 2 teaspoons ground chili powder, 1 teaspoon ground cumin, 1 teaspoon garlic powder, 1 teaspoon onion powder, ½ teaspoon ground paprika, 4 bell peppers