Luxury, an expression of richness and expensiveness which can be achieved after putting in extensive an elaborate handworks, has been expressed in Hollywood movie costumes. The purpose of this thesis is to explore the characteristics of movie costumes of Hollywood studio designers, and to contemplate luxury expressed in movie costumes for such purposes, this thesis first provides the study on the luxury in movie costumes which has been reflected in fashion history, film studies and feminist theories, and to conduct a case study by analyzing photographic materials. The luxury expressed in movie costumes could be identified as expensiveness, exclusiveness, excess, and indulgence. In the movie costumes, expensive materials such as furs, jewelry, and decorations were used. Couture and custom-made costumes were the expressions of exclusivity. Also, the excessive luxury were the expression of bigness, scalelessness or extreme abundance. Indulgence in luxury is shown in use of uncommon characteristics, especially in gangster movie costumes.