Bring a large pot of water to a boil; cook the pasta according to the directions, drain.
Heat a 12-inch skillet with olive oil and sauté shrimp for 6 minutes or cooked through; season with salt and pepper; chill shrimp in refrigerator for at least 2 hours.
In a large mixing bowl combine lime vinaigrette dressing, Bloody Mary mix, and tequila.
In a large mixing bowl combine cooked pasta, diced tomatoes, diced red onions, Serrano pepper, and dressing mixture and toss gently.
To assemble, portion pasta into pasta bowls; top with vegetable mixture and shrimp.
Garnish with a fresh sprig of cilantro and a lime wedge.
