The Met Gala, formally called the Costume Institute Benefit, is an annual fundraising gala held for the benefit of the Metropolitan Museum of Art's Costume Institute in Manhattan. The Met Gala is popularly regarded as the world's most prestigious and glamorous fashion event and social gathering and is known as "fashion's biggest night"; an invitation is highly sought after. Personalities who are perceived to be culturally relevant to contemporary society amongst various professional spheres, including fashion, film, television, music, theater, business, sports, social media, and politics, are invited to attend the Met Gala, organized by the fashion magazine Vogue. The entry price for one ticket has risen to US$75,000 in 2024, an increase from $50,000 in 2023, to attend the annual gala in the world's principal financial center, New York City.

The Metropolitan Museum of Art, colloquially referred to as the Met, is an encyclopedic art museum in New York City. It is the largest art museum in the Americas and the fourth-largest in the world. With 5.36 million visitors in 2023, it is the most-visited museum in the United States and the fourth-most visited art museum in the world.