Billie Eilish, a singer-songwriter from Los Angeles, California wears Irish designer Simone Rocha at Met Gala.

When Grammy winner Billie Eilish wore Simone Rocha to the Met Gala last night, Irish fashion received significant exposure.

The Met Gala, a yearly extravaganza that features the world's most famous faces wearing their most extravagant looks, may be the biggest night on the fashion calendar.

European designer from NCAD graduate Billie Eilish, an Oscar-winning singer-songwriter and producer, received a custom look from Simone Rocha.

Eilish, who was attending the prestigious gala for the third time, wore a black sheer gown with a floral halterneck, corset, garter-inspired tights, and ribbon detailing.

Her hair was braided, and the outfit was completed with matching sheer thigh-high stockings, long gloves, and towering black platform heels.

Billie Eilish is a singer-songwriter from Los Angeles, California who first gained recognition in the music industry in 2015 with her debut single "Ocean Eyes".

Born in 2001, Billie is known for her distinctive and haunting vocal style, as well as her bold and creative approach to fashion and visual art.

Billie Eilish has made several notable appearances at the annual Met Gala, which is one of the most high-profile events in the fashion industry.

Overall, Eilish's presence at the Met Gala has helped to cement her status as a major cultural influencer and fashion icon.