Combine the lime juice, olive oil, garlic and Taco, Fajita Señorita Seasoning in a bowl and whisk to combine. Add the shrimp and marinate for 20 minutes.
Heat a large cast iron skillet over high heat. Add a tablespoon of olive oil. Add the shrimp mixture, marinade included, and sauté until fully cooked. Using a pair of tongs, remove the shrimp from the skillet and add the vegetables. Sauté until tender and charred. Add the shrimp back into the cast iron skillet and toss to combine.
Serve alongside flour tortillas and top with desired toppings such as avocado, sour cream, guacamole and fresh lime juice.