Toss together the tomatoes, zucchini, bell pepper, corn, scallions, and vinaigrette in a large bowl, and let stand 10 minutes.
Prepare the pasta according to the package directions. Add the hot cooked pasta and chicken to the tomato mixtures. Toss gently to combine. Season with salt and pepper to taste. Top with basil and cilantro
Parmesan Vinaigrette
Place the Parmesan cheese, olive oil, lemon zest, lemon juice, sherry vinegar, garlic pepper, and salt in a blender or food processor and blend until smooth. Add the basil and cilantro and pulse 3-4 times.