Robin Williams wore robotic metal in “Bicentennial Man.” Now get ready for him in gold lame. The Hollywood Reporter says that the wild man and Oscar winner (“Good Will Hunting”) is developing a biopic of the wavy-haired Mr. Show Business, “Liberace,” in which he will star for director Philip Kaufman (“The Unbearable Lightness of Being”). Jason Friedberg and Aaron Seltzer, who were among the co-writers of the summer hit “Scary Movie,” wrote the script, said to be in the style of “The People vs. Larry Flynt.” The film will reportedly focus on the life of the flamboyant pianist and performer, who died of AIDS in 1987. Throughout his life, Liberace (whose real name was Wladziu Valentino Liberace) publicly masked his sexuality, and even successfully sued London’s Daily Mirror in 1959 for implying that he was gay. As for his flashy performing style, which was heavy on candelabras atop his grand piano and diamonds on his fingers, Lee (as he was called) used to tell his critics that he laughed all the way to the bank.