It's a Boy (1933)
It's a Boy is a 1933 British comedy film directed by Tim Whelan and starring Leslie Henson, Albert Burdon and Edward Everett Horton. It is a farce about a blackmailer who attempts to demand money from a young woman on the brink of marriage. It was based on the 1931 play It's a Boy by Austin Melford.
More at Wikipedia.