Whisk together tequila, lime juice, lime zest, orange juice, olive oil and worchestershire sauce until combined.Pour marinade into large plastic storage bag then submerge chicken, close storage bag and store in refrigerator for at least 3 hours or overnight for more intensified flavor.When ready to grill, remove chicken from marinade and season with salt and pepper, and evenly with paprika and garlic powder.Grill chicken on all sides until cooked through then remove from grill, cover with foil and rest to allow juices to settle.Garnish with chopped cilantro and lime zest and serve.