The star wore a custom Alaïa piece.
She posed with her Wicked co-star Cynthia Erivo on the sprawling red carpet.
The couple was first romantically linked in September.
The K-pop superstars walked the red carpet as guests of the designer.
He held a black Flor de Maga, the national flower of Puerto Rico, while wearing a custom Maison Margiela outfit.
Here are all the looks from the 2024 Met Gala, which featured a “Garden of Time” dress code.
The star is one of the co-chairs for this year’s event.
This year’s theme is Sleeping Beauties: Reawakening Fashion.
Next year's theme will centre around 'Sleeping Beauties' The po
Sleeping Beauties: Reawakening Fashion, is set to feature 250 items from the Costume Institute’s permanent collection.