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If you're unclear on what the dress code is, you can always reach out to the couple to clarify

In fact, her all-red ensemble showed the devilish side of the singer, and it was perfect for the night's theme: "Heavenly Bodies: Fashion and the Catholic Imagination." While many stars decided to channel angels and saints, Nicki went straight for the devil, and we're so thankful

For more on dressing with a modern edge while staying appropriate, our guide to a contemporary wedding guest dress shows how current style and occasion-appropriateness work together

The summer months are often much more likely to bring out inappropriate clothing as when its cold, its easy to stay covered up

Jeans also fall into smart casual, but youll want to go with a pair of darker fitted jeans instead of something like a light wash pair