Billie Eilish.Photo: Jesse Grant/Getty

Billie Eilish attends “Happier Than Ever: A Love Letter To Los Angeles” Worldwide Premiere at The Grove on August 30, 2021 in Los Angeles, California

Billie Eilishwill make herMet Galadebut on Sept. 13, acting as a co-chair of the iconic benefit alongside fellow Gen Z trendsettersTimothée Chalamet, Naomi Osaka andAmanda Gorman. Ahead of event, we’re breaking down how the 19-year-old singer was selected for the coveted role and what all it entails.

WhenVogueconfirmed in May that Eilish would be the youngest Met Gala co-chair in history, the outlet explained that her “willingness to embrace an aesthetic as innovative as her music has pushed emerging brands into the limelight and challenged old rules about how a pop star should dress.”

Timothée Chalamet; Amanda Gorman; Naomi Osaka; Billie Eilish.Amy Sussman/Getty Images; Mike Coppola/Getty Images; Ilya S. Savenok/Getty Images; Jeff Kravitz/FilmMagic

Timothée Chalamet; Amanda Gorman; Naomi Osaka; Billie Eilish

So, what exactly will she be doing? According toBritish Vogue, past co-chairs (which has includedLady Gaga, Harry Styles, Amal Clooney, Rihanna and Donatella Versace in recent years) have taken the stage during the famed Met Gala dinner. The outlet also revealed that co-chairs help with the guest list, food, decor and the “general feel of the evening.”

The theme for the star-studded event (which comes after acanceled 2020 Met Galaand a postponed May date) isIn America: A Lexicon of Fashion. Honorary chairs for the evening will be Tom Ford, Adam Mosseri andVogueeditor-in-chief Anna Wintour.

Earlier this year,PEOPLE reportedthat the annual gala is enforcing aCOVID-19vaccination mandate and mask requirement.

Kevin Mazur/WireImage

MET Gala ambassadors

“Currently, all attendees at The Met Gala on September 13 must provide proof of full vaccination and will also be expected to wear masks indoors except when eating or drinking,” a spokesperson for The Met confirmed to PEOPLE in August. “We will update these guidelines as needed.”

Be sure to check out all of PEOPLE’sMet Gala coverageto get the latest news on fashion’s biggest night.

TheMetropolitan Museum of Art confirmed in April that the annual fashion fête will be back— in two parts.

The museum’s new exhibition will include a series of events celebrating American fashion. Part one, titled In America: A Lexicon of Fashion, will debut on September 18, 2021 and run through September 5, 2022 to “celebrate The Costume Institute’s 75th anniversary and explore a modern vocabulary of American fashion,” the release states.

To celebrate part two, another gala, which will adhere to the First Monday in May timing, is set to take place on May 2, 2022.

source: people.com