How celebrities' red-carpet fashion has dramatically changed since their very first Met Gala

The pop star's dress featured a metallic choker, which she paired with a sleek black bob for "The Model as Muse" exhibit.

Perry wore the diamond-encrusted ensemble, which featured working bulbs, for the Met Gala's "Camp: Notes on Fashion" exhibit.

The young star wasn't afraid to go bold for her first time at fashion's biggest night, pairing her daring skirt with a gold crown for the "China: Through The Looking Glass" exhibit.

Zendaya's longtime stylist Law Roach told Vogue that her dress for the "Camp: Notes on Fashion" exhibit was inspired by the actress' Disney roots.

Rihanna paired her embellished gown with a red rose and sheer black gloves for the "Poiret: King of Fashion" exhibit.

Rihanna's ensemble, which took 250 hours to sew and 500 hours to hand-embroider, stole the show during the "Heavenly Bodies: Fashion and the Catholic Imagination" exhibit in 2018.

The "Sex and the City" star arrived with Alexander McQueen, who designed the dress for the "Anglomania" exhibit in 2006.

Parker's headpiece for the "Heavenly Bodies: Fashion and the Catholic Imagination" exhibit featured a Nativity scene.

The reality TV star, who made her Met Gala debut as Kanye West's plus one for the "PUNK: Chaos To Couture" exhibit, revealed years later that she cried after seeing the response to her floral gown.

Kardashian later revealed that her custom Thierry Mugler dress — designed to look like water droplets — was so tight that she prepared for the "Camp: Notes on Fashion" exhibit by taking corset breathing lessons.

The rising model wore a custom Topshop gown for the "Charles James: Beyond Fashion" exhibit.

Jenner opted for a flaming neon-orange Versace gown, complete with plenty of feathers, for the "Camp: Notes on Fashion" exhibit.

The "Gossip Girl" star went with an elegant black strapless gown with matching gloves for the "Superheroes: Fashion and Fantasy" exhibit.

Lively's regal Versace gown for the "Heavenly Bodies: Fashion and the Catholic Imagination" exhibit featured a flowing train and took 600 hours to make.

Beyoncé opted to keep things simple for the "Superheroes: Fashion and Fantasy" exhibit.

Beyoncé went in a completely different direction from her most famous Met Gala dress with this long-sleeved flesh-colored Givenchy gown at the "Manus X Machina: Fashion in an Age of Technology" exhibit.

Solange wore the intricately patterned dress to the "Alexander McQueen: Savage Beauty" exhibit in 2011.

Solange wore python from head to toe with this custom Salvatore Ferragamo ensemble at the "Camp: Notes on Fashion" exhibit.

Lady Gaga's outfit for the "China: Through the Looking Glass" exhibit was designed by Alexander Wang and featured feathers and a crown.

Lady Gaga sported four different looks in the span of minutes, putting on a playful show for guests at the "Camp: Notes on Fashion" exhibit.

Cyrus sported a mesh Marc Jacobs gown and short, spiked blonde hair for the "Punk: Chaos to Couture" exhibit.

Cyrus paired her Saint Laurent minidress with polka-dot tights and sky-high platforms for the "Camp: Notes on Fashion" exhibit.

Lopez paired her gown with a bold red lip and braided updo for the "Dangerous Liaisons: Fashion and Furniture in the 18th Century" exhibit.

Lopez also sported a shimmering headpiece and accessorized her ensemble with $8.8 million dollars worth of Harry Winston jewelry for the "Camp: Notes on Fashion" exhibit.

Ratajkowski paired the look with gold heels and kept her makeup and hair simple for the "China: Through The Looking Glass" exhibit.

Ratajkowski completed her sparkling ensemble with a feathered headpiece for the "Camp: Notes on Fashion" exhibit.

The dress, which Cher wore to the "Romantic and Glamorous Hollywood Design" exhibit, was created by Bob Mackie — whose designs were included in the "Camp: Notes on Fashion" exhibit.

Cher sported personalized Relax jeans and a silk Givenchy top as she entertained guests at the "Camp: Notes on Fashion" exhibit.

Delevingne sported the dress — which featured a satin black skirt — at the "Alexander McQueen: Savage Beauty" exhibit.

Delevigne's playful and circus-inspired Dior ensemble, which she wore to the "Camp: Notes on Fashion" exhibit, took over 600 hours to make.

Hathaway accessorized the ensemble with big hair and emerald earrings for "The Model as Muse" exhibit.

Hathaway wore the couture Valentino gown — which she paired with a striking gold headpiece — to the "Heavenly Bodies: Fashion and the Catholic Imagination" exhibit.

Kravitz's gown for the "Superheroes: Fashion and Fantasy" exhibit featured feathers and a tassel.

Kravitz shimmered from head to toe in the black dress during the "Camp: Notes on Fashion" exhibit.

Madonna paired the sheer tank with crimped hair for the exhibit honoring the late Gianni Versace's fashion.

Madonna paired her Jean Paul Gaultier ball gown with a netted veil, cross necklaces, and a crown for the "Heavenly Bodies: Fashion and the Catholic Imagination" exhibit.

Monáe paired her white collared shirt and black slacks with a black top hat for the "Alexander McQueen: Savage Beauty" exhibit.

Monáe told Vanity Fair that her ensemble for the "Camp: Notes on Fashion" exhibit — which included a motorized blinking eye — was inspired by Picasso.

Campbell wore the bold ensemble to the "Fashion Dolls: The Survival of Haute Couture" exhibit.

Campbell's couture Valentino gown featured lace tights and a flowing feather cape for the "Camp: Notes on Fashion" exhibit.

Hadid's gown — which she wore to the "China: Through the Looking Glass" exhibit — featured a plunging neckline and thigh-high slit.

Hadid paired the Michael Kors ensemble with a matching headpiece and boots for the "Camp: Notes on Fashion" exhibit.

Hadid's dress for the "China: Through the Looking Glass" exhibit featured a large gold rose.

Hadid wore a daring Moschino cutout dress covered in jewels for the "Camp: Notes on Fashion" exhibit.

Nyong'o's Prada ensemble featured bright-green jewels and feathers, which she paired with a matching headband for the "Charles James: Beyond Fashion" exhibit.

Nyong'o paired her bold Versace ensemble for the "Camp: Notes on Fashion" exhibit with a towering updo and gold combs meant to "demonstrate the power, malleability, and luxuriousness of natural hair texture," her hairstylist Vernon Francois told Vogue.

Ora's dress featured a daring cutout and slit as she walked the red carpet for the "Punk: Chaos to Couture" exhibit.

Ora's long-sleeved Marc Jacobs dress at the "Camp: Notes on Fashion" exhibit featured a plunging neckline and striped skirt.

Minaj made her bleach-blonde locks the focus of her ensemble for the "Punk: Chaos to Couture" exhibit.

Minaj dyed her hair pink to match her Prabal Gurung gown, which featured a voluminous train and crystals that draped along the skirt and bodice.

Dion sported the ensemble — which also featured a dramatic headpiece and silver sleeves — at the "Rei Kawakubo/Comme des Garcons: Art of the In-Between" exhibit.

Dion paired her shimmering fringe Oscar de la Renta bodysuit with a sky-high feathered headdress that weighed 22 pounds.

Wintour paired her knee-length black skirt with a shimmering shirt and a pile of pearl necklaces for "The Age of Napoleon: Costume from Revolution to Empire" exhibit.

Wintour revealed that the Chanel dress — which she wore to the "Camp: Notes on Fashion" exhibit — was the very last one designer Karl Lagerfeld made for her before he died in February 2019.