Marina Herrera Aragón (born 18 July 1927), known as Marilú or "La Muñequita que Canta" (The Little Doll that Sings), is a Mexican singer and actress. She began her career more in 1939.She is from the last stars from the Golden Age of Mexican cinema. Marilú was born in Cárdenas, San Luis Potosí, Mexico. After her father's death, the family moved to Tampico, Tamaulipas, where Marilú won a singing contest and joined the troupe of a comedian named Don Catarino. In November 1940 she joined Paco Miller's troupe, which later toured Mexican states.