In a large mixing bowl, whisk together the egg, mayonnaise, lemon juice, Old Bay, mustard, Worcestershire sauce, celery, chives, salt and pepper until well combined.
1 egg, ¼ cup mayonnaise, Juice of ½ lemon, 1 teaspoon Old Bay seasoning, 1 ½ teaspoons Dijon mustard, 2 teaspoons Worcestershire sauce, 1 teaspoon kosher salt, ½ teaspoon black pepper, 1 Tablespoon fresh chives, 1 stalk fresh celery