The filming of The Seven Year Itch was completed in early 1955 . After saying no what she considered to be inferior parts in The Girl in the Red Velvet Swing and How to Be Very , Very Popular , Monroe decided to leave Hollywood on the advice of Milton Greene . The filming was completed in early 1955 , and after refusing what she considered to be inferior parts in The Girl in the Red Velvet Swing and How to Be Very , Very Popular , Monroe decided to leave Hollywood on the advice of Milton Greene .