Business attire is the norm for opera, but anything goes, from jeans to your favorite evening gown! You’ll see more formal attire on opening night and at Saturday night performances; the mid-week performance and Sunday matinees tend to be a bit more casual. However, the rule of thumb is simple: Dress for the experience you want to have. If it makes you feel like a million bucks, wear it; after all, for some people, part of the fun is dressing up!