Mis tres viudas alegres
My Three Merry Widows (original)
Dead man's will reveals he had three wives.
Starring Adalberto Martínez, Amalia Aguilar, Lilia del Valle, Silvia Pinal, José María Linares Rivas, Héctor Godoy, Pompín Iglesias, Alfredo Varela
It's a comedy movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United Kingdom.