Betty White and Bea Arthur's onscreen friendship on "The Golden Girls" belied the tension between them offscreen. Their clashing personalities - White was upbeat and energetic, while Arthur was introverted - may have been a factor, along with Arthur's alleged belief that she was the better actress. However, in reality, they were close friends when the series began and supported each other through personal tragedies. Their co-stars were surprised at rumors of a feud. In Hollywood, not all co-stars are friends, as seen in the reported rivalry between Marilyn Monroe and Joan Crawford.