Norma Jeane Mortenson, better known as Marilyn Monroe was a Golden Globe Award-winning American Hollywood legend, movie star, actress, singer, model and pop icon. She became known for her comedic skills and screen presence, going on to become one of the most popular movie stars of the 1950s. Later in her career, she worked towards serious roles with a measure of success. However, long-standing problems were exacerbated by disappointments in both her career and personal life during her later years. Her death has been subject to speculation and conspiracy theories.