Lupita Nyong'o was invited to the chic event—alongside Demi Moore, Lily-Rose Depp, Elle Fanning, and Colman Domingo—and her red carpet outfit was a masterclass in dressing like an Oscar winner.

When it comes to this year's fashion trends, more brides are turning to the past for inspiration. In addition to dramatic ball gowns, long sleeves, and cathedral-length veils, soon-to-be newlyweds are ...