Sister Alegría (Spanish: Sor Alegría) is a 1952 Mexican comedy drama film directed by Tito Davison and starring Rosita Quintana, Carmen Montejo and Andrea Palma.

The film's sets were designed by the art director Gunther Gerszo.

It was nominated for three Ariel Awards including Best Supporting Actress for Carmen Montejo.

A young party girl's carefree life changes when she discovers the poverty that exists in the city.

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