What to wear to a broadway show: There are no rules. These days, you can wear whatever you want to a broadway show. Dressing up is a nice way to turn a night at the theater. Very few theatres operate a dress policy, and though traditionally evening performances are more formal than matinees, nobody will lambast you for wearing denim after 7pm. The last thing we. Consider the practicality of what you want to wear before going to the theatre. Wear clothes that will keep you cool. Steer clear of clothes that will stick to. See more ideas about my style, style, fashion.