Romeo Santos · — · Formula, Vol. 2 · Sold Out both dates (total) · — · Surprise guest: Tego Calderón, Bernie Williams, Luis Vargas, Antony Santos, and Fefita La Grande. Romeo Santos · — · Formula, Vol. 2 · Sold Out both dates (total) · — · Surprise guest: Bernie Williams, Prince Royce, Marc Anthony and Aventura reunion. Wiki link