That's the pet name Rand’s husband, artist Charles Francis O’Connor, affixed to her. Married for 50 years, Rand met Mr. O’Connor on the movie set of "King of Kings" in 1926 and allegedly tripped him in order to get his attention. The couple had a somewhat tumultuous marriage with accounts of alcoholism and adultery.
“But he was the only person she could show her softer side to,” Burns says. “The name Kitten Fluff was a little tongue in cheek because she was so strong and powerful. But, she was a very emotional and passionate person and really cared what people thought of her.... She was human, after all.”