Betty gets the job with “Betty Boop’s Big Boss” (1932) - Max Fleischer
Betty Boop loses her top while Bimbo loses his heart in “Any Rags” (1932) - Max Fleischer
A Pre-code cartoon - after the Hays Code went into effect in 1934, Betty’s image changed and the Fleischer Brothers were forced to depict her in skirts below the knees and as a much more demure character.
Cab Calloway voiced Koko the Clown, singing “St. James Infirmary Blues" in Betty Boop’s animated short ”Snow White” (1933)