In the "Dames" number, Dick Powell as a Broadway producer doesn't want to see composer George Gershwin, but when asked by his secretary about seeing Miss Dubin, Miss Warren and Miss Kelly, he lets them enter his office. This is an inside joke, referring to Al Dubin and Harry Warren, who wrote the music for this film, and Orry-Kelly, who was the costume designer.
The song "I Only Have Eyes for You" became a very big hit for the "doo-wop" group The Flamingos in 1959. In 1989 it won the ASCAP award for the "Most Performed Feature Film Standard".
According to TCM's Dave Karger, Joan Blondell was pregnant with Norman S. Powell at the time of the "ironing board" number. Her husband, and the child's father George Barnes was this film's cinematographer and used camera angles and props to hide her condition.
The $10 million inheritance would equal nearly $229 million in 2023.