Top hat top hat is a hard, black silk hat, with fur now often used. The acceptable colors of hats are much as they have traditionally been, with "white" hats (which are actually grey), a daytime racing color, worn at the less formal occasions demanding a top hat, such as Royal Ascot, or with a morning suit. In the U.S. top hats are worn widely in coaching, a driven horse discipline as well as for formal riding to hounds. The collapsible silk opera hat, or "crush hat", is still worn on occasions, and black in color if worn with evening wear as
Top Hat (Carroll Clark and Van Nest Polglase), Original Song (Irving Berlin for "Cheek to Cheek"), and Dance Direction (Hermes Pan for "Piccolino" and "Top Hat"). In 1990, "Top Hat" was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant". The film ranked number 15 on the 2006 American Film Institute's list of best musicals. "Top Hat" has been nostalgically referenced — particularly its "Cheek to Cheek" segment — in many films, including "The Purple Rose of Cairo" (1985), "The English Patient" (1996), "The Green Mile" (1999),"La La Land"