Was the godmother of Millicent Siegel, daughter of the notorious mobster Benjamin Bugsy Siegel.
Was the idol of Marilyn Monroe, who backed out of a biographical picture on her life. After reading the script, Monroe reportedly told her agent, "I hope they don't do that to me after I'm gone." Both Harlow and Monroe co-starred in their last films with Clark Gable, Harlow in Saratoga (1937) and Monroe in The Misfits (1961).
Went on a salary strike from MGM in 1934, during which she wrote a novel, "Today is Tonight." The book was not published until 1965.
When entombed at Glendale's Forest Lawn Cemetery in 1937, she was dressed in the same gown she wore in Libeled Lady (1936).
When Jean Harlow died with about one week's worth of shooting left to go on "Saratoga," her stand-in, Mary Dees, replaced her in the remaining footage.
When she died in 1937, her estate was valued at over $1 million and left entirely to her mother.