The band accompanying Meryl Streep at the end of the film is Blue Rodeo, one of the most popular and respected rock groups in Canada, who were virtually unknown in the US at the time of the film's release. After hearing their music being played in a limo, by the driver, Streep wanted them to contribute to the soundtrack.
When the doctor played by Richard Dreyfuss asks Meryl Streep's character out to a movie, she replies, "Sure, we could go see 'Valley of the Dolls.'" Valley of the Dolls (1967) marked one of Dreyfuss's first film appearances.
The framed poster in Doris' house of Doris and a young Suzanne on the cover of LIFE magazine is a real cover shot of Shirley MacLaine and her daughter, Sachiko.
In a scene from early in the movie, Lowell is dressing down Suzanne for her drug-use on set, and the film crew are clearly seen near-by. One of the crew is wearing a crew shirt from "Evil Angels;" Evil Angels (1988), starred Meryl Streep.
Lana Turner was reportedly very offended after seeing this film, specifically objecting to a line which compared her mothering skills to that of Joan Crawford.
The cop movie Suzanne works on, "LA Beat", is a reference to Fisher's Hollywood Vice Squad (1986).