Pola Negri was a Polish-born Polish, German and American stage and film actress who achieved worldwide fame during the silent and golden eras of Hollywood and European film for her tragedienne and femme fatale roles. She was the first European film star to be invited to Hollywood, and became one of the most popular actresses in American silent film. Her varied career included work as an actress in theater and vaudeville; as a singer and recording artist; as an author; and as a ballerina. (Photo by: Universal History Archive/UIG via Getty images).