Magdalena Nile del Río (December 26, 1906 – August 22, 2003) was a professional singer and movie actress who was better known as Imperio Argentina. Though she was born in Buenos Aires, Argentina, she became a citizen of Spain. Del Río performed in Argentina's theaters, where she had a long and successful career. At that time, her stage name was Pettit Imperio. But her most successful moments came after she moved to Spain.