Entertainment Awards Shows and Events 2024 Met Gala Every Met Gala 2021 Afterparty Look You Didn't See (but Can't Miss) You thought the fashion stopped when the red carpet did? These stars had a whole other showstopping outfit planned By Alex Apatoff Alex Apatoff Alex Apatoff is the Executive Editor of PEOPLE Digital. She has worked at the brand since 2010, first on the style and beauty team and now in a cross-departmental role. People Editorial Guidelines Published on September 14, 2021 07:12AM EDT Close 01 of 36 Rihanna Gotham/GC Images attends her own party in an all-black look (including a Re/Done tee and jewels by Lang Antiques and Nikos Koulis) with significantly less fabric than she wore on the red carpet. 02 of 36 Kendall Jenner Diggzy/Jesal/Shutterstock goes from sheer and Audrey Hepburn-inspired to scarlet and equally glam, in a bustled red paillette=adorned mini with matching heels and bag (and major necklace). 03 of 36 Gabrielle Union Thomas Christos Kikis Instagram pays homage to Prince in a purple Conner Ives zebra-stripe ensemble that was a bit easier to move in than her Met Gala look. 04 of 36 Billie Eilish Gotham/Getty trades her "Holiday Barbie" peach ballgown for a similarly vintage-inspired crimson gown with matching cape and Jimmy Choo clutch, seen on her way into the Mark hotel. 05 of 36 Megan Fox & Machine Gun Kelly JosiahW/BACKGRID she wears a Dundas x Revolve mini (with Jimmy Choo clutch) that nods to her glam beaded red carpet look with one new accessory: her "twin flame" boyfriend (in an embellished, embossed leather jacket). 06 of 36 Kim Kardashian Diggzy/Jesal/Shutterstock continues to cover up, but sizes down the face mask. 07 of 36 Zoë Kravitz & Channing Tatum BACKGRID she changes from her totally sheer gown into a classic wide-legged pantsuit (with one other major change: her maybe-date gets snapped in the same frame this time). 08 of 36 Serena Williams & Alexis Ohanian iamKevinWong.com/BACKGRID he keeps it classic, while she swaps her spangled jumpsuit for a blazer and sneaks. 09 of 36 Billie Eilish Richie Buxo/Shutterstock changes yet again, this time into a black lace-and-leather look and comfy boots. 10 of 36 Kaia Gerber & Jacob Elordi Diggzy/Jesal/Shutterstock she goes from paying tribute to one supermodel (Bianca Jagger) to another (Cindy Crawford, anyone?) in a lace mini and Manolo Blahnik heels, while boyfriend Jacob joins her in his own homage to mid-'90s fashion. 11 of 36 Justin Bieber Diggzy/Jesal/Shutterstock in a tee and baggy black cargo jeans at a party for his own Drew House fashion line. (He wore "la Maison Drew" on the red carpet.) 12 of 36 Hailee Steinfeld Shutterstock trades one futuristic Iris Van Herpen mini for another on her way into Rihanna's party. 13 of 36 Camila Cabello & Shawn Mendes VEGAN/BACKGRID she swaps her purple two-piece gown for a black-and-white jacket and bodysuit, plus ankle boots. 14 of 36 A$AP Rocky PapCulture / BACKGRID joins love Rihanna in paring down their Met looks, in a pop art-inspired tee and fuzzy crossbody bag. 15 of 36 Tessa Thompson Richie Buxo/Shutterstock changes out of her structural Met Gala look into a shredded gold metallic look with glove boots. 16 of 36 Lorde Lorde. PapCulture / BACKGRID puts on a princessy ballgown with a swirled print (a serious switch from her former look). 17 of 36 Hailey Bieber Diggzy/Jesal/Shutterstock wears a sheer, sequin, satin and furry-trim minidress with Anita Ko hoops to the Drew House party. 18 of 36 Cordae & Naomi Osaka iamKevinWong.com / BACKGRID trade high-concept couture for low-key jackets and comfortable footwear. 19 of 36 Maluma Richie Buxo/Shutterstock goes from red leather to black leather (with plenty of bling). 20 of 36 Ciara Richie Buxo/Shutterstock trades her jersey-inspired green look for a simple black long-sleeve Dundas gown with sparkling leopard-print panel. 21 of 36 Maisie Williams Richie Buxo/Shutterstock ditches the "dress" part of her Met Gala look. 22 of 36 Eiza González iamKevinWong.com / BACKGRID sticks with striking one-shoulder scarlet with sparkling accents for Rihanna's afterparty. 23 of 36 Alicia Keys & Elon Musk Sara Jaye Weiss/Shutterstock she in a black gown with white sheer cape (a change from her all-white Met Gala look) and he in a tux at her Keys Soul Care and Cincoro Tequila party. 24 of 36 Dixie D'Amelio JosiahW / BACKGRID in a colorful feather-covered cocoon minidress and clear heels at the Drew House party. 25 of 36 Chance the Rapper BlayzenPhotos / BACKGRID swaps his Polo-inspired look for a classic blue velvet blazer at Rihanna's party. 26 of 36 Zoey Deutch BACKGRID trades disco-inspired beaded lavender for another retro-vibe print mini and matching headband with Giuseppe Zanotti shoes. 27 of 36 Dan Levy Richie Buxo/Shutterstock streamlines his statement-making blue look into a black sweater and laced-up leather pants. 28 of 36 Emily Blunt & Rita Ora Richie Buxo/Shutterstock Rita ditches her two-piece gown for a suit worn with a sparkling crop top. 29 of 36 Lili Reinhart Richie Buxo/Shutterstock changes from a feminine floral to simple black. 30 of 36 Winnie Harlow JosiahW / BACKGRID goes from black-and-white Iris van Herpen to a fiery number from the same designer. 31 of 36 Grimes BACKGRID continues to opt for metallic, futuristic fashion. 32 of 36 Kehlani Andrew H. Walker/Shutterstock attends the LaQuan Smith party (where Tequila Don Julio, Johnnie Walker and CÎROC cocktails were served) in another suit — this one pinstripe with floral details by Aliétte. 33 of 36 Brooklyn Beckham & Nicola Peltz BlayzenPhotos/BACKGRID change out of their red carpet attire (except for the opera gloves!) for a coordinated black-and-white look. 34 of 36 Addison Rae Gotham/Getty wears a black gown very similar to the red one she selected for the gala, seen leaving the Mark hotel. 35 of 36 Ella Emhoff & Sam Hine Richie Buxo/Shutterstock she changes from sporty to sweet in a tiered and ruffled red gown. 36 of 36 Madison Beer Richie Buxo/Shutterstock goes from girlie in green to sultry in a lace one-shoulder, high-slit gown.