fancy dress (noun)

1. The grand staircase in the Victorian mansion was adorned with intricate carvings and a large chandelier, creating an elegant backdrop for a fancy dress party.

2. Celebrities walked the red carpet in their elaborate fancy dress outfits, showcasing the latest trends and designer creations.

3. In the magical land of wizards and fairies, the annual enchanted ball was a chance for everyone to wear their most enchanting fancy dress costumes.

4. The main character in the film attended a glamorous masquerade ball, where she wore a stunning fancy dress that captivated the audience.