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Margot Robbie’s Vintage Hybrid Dress
GERARD JULIEN/AFP via Getty; Amy Sussman/Getty

“We were obsessed with ’90s supermodels for hair and makeup, so there was something really great about [the dress] being [worn on] ’90s Claudia Schiffer because she was our inspiration,” stylistKate Young told PEOPLEahead of Sunday night’s show. “It’s classic, but has a dramatic feel that is good forthe Oscars.”
02of 12Sandra Oh Picked Out Her Dress 3 Days Before the OscarsDavid Fisher/ShutterstockStylistElizabeth Saltzmanhad little time to pull together the presenter’s look after learning she’d be attendingthe Oscarsa few days beforehand. “We had a fitting with five or six options on Thursday night. You know it’s the dress when she starts singing and dancing when she puts it on,” Saltzman tells PEOPLE. “When she put on this Elie Saab Haute Couture dress, we all gasped and knew it was the one.”
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Sandra Oh Picked Out Her Dress 3 Days Before the Oscars
David Fisher/Shutterstock

StylistElizabeth Saltzmanhad little time to pull together the presenter’s look after learning she’d be attendingthe Oscarsa few days beforehand. “We had a fitting with five or six options on Thursday night. You know it’s the dress when she starts singing and dancing when she puts it on,” Saltzman tells PEOPLE. “When she put on this Elie Saab Haute Couture dress, we all gasped and knew it was the one.”
03of 12Renée Zellweger’s Dress Required 12 FittingsSteve Granitz/WireImageThree tailors on the team at Armani worked on theJudywinner’s custom column gown for hundreds of hours - and a dozen fittings on two different continents were needed to ensure it fit to perfection.
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Renée Zellweger’s Dress Required 12 Fittings
Steve Granitz/WireImage

Three tailors on the team at Armani worked on theJudywinner’s custom column gown for hundreds of hours - and a dozen fittings on two different continents were needed to ensure it fit to perfection.
04of 12Maya Rudolph’s Earrings Were Once Worn By Someone Very FamousKevin Mazur/Getty ImagesAfter discovering that Beyoncé once wore theseLorraine Schwartzemerald and diamond earrings, the presenter did what any good member of the Beyhive would do - she immediately chose them to wear onthe Oscarsred carpet.
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Maya Rudolph’s Earrings Were Once Worn By Someone Very Famous
Kevin Mazur/Getty Images

After discovering that Beyoncé once wore theseLorraine Schwartzemerald and diamond earrings, the presenter did what any good member of the Beyhive would do - she immediately chose them to wear onthe Oscarsred carpet.
05of 12Julia Butters Carried a Turkey Sandwich in Her PurseJohn Locher/AP/ShutterstockThe 10-year-oldOnce Upon a Time…in Hollywoodstarletpacked a turkey sandwichinside her crystal clutch in case she needed a snack during the ceremony. “It’sthe Oscarsthere’s no regrets!” she said.
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Julia Butters Carried a Turkey Sandwich in Her Purse
John Locher/AP/Shutterstock

The 10-year-oldOnce Upon a Time…in Hollywoodstarletpacked a turkey sandwichinside her crystal clutch in case she needed a snack during the ceremony. “It’sthe Oscarsthere’s no regrets!” she said.
06of 12Sigourney Weaver’s Dress Hit the Runway 2 Weeks AgoSigourney Weaver.David Fisher/ShutterstockStylistMicaela Erlangertells PEOPLE that the presenter’s Dior Haute Couture gown “literally walked down the couture runway two weeks ago. We had it modified and custom made in a new color.” The final dress was completed in just 10 days.
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Sigourney Weaver’s Dress Hit the Runway 2 Weeks Ago
Sigourney Weaver.David Fisher/Shutterstock

StylistMicaela Erlangertells PEOPLE that the presenter’s Dior Haute Couture gown “literally walked down the couture runway two weeks ago. We had it modified and custom made in a new color.” The final dress was completed in just 10 days.
07of 12Janelle Monáe’s Dress Required a 4-Person Delivery TeamDavid Fisher/ShutterstockJanelle Monáe looked out-of-this-world on Sunday in her completely-embellished Ralph Lauren Collection gown. And the dress was as heavy as it looked; Monáe needed a four-person team to carry the gown, covered with 168,000 Swarovski crystals, to her dressing room, asource told PEOPLE.
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Janelle Monáe’s Dress Required a 4-Person Delivery Team

Janelle Monáe looked out-of-this-world on Sunday in her completely-embellished Ralph Lauren Collection gown. And the dress was as heavy as it looked; Monáe needed a four-person team to carry the gown, covered with 168,000 Swarovski crystals, to her dressing room, asource told PEOPLE.
08of 12Kaitlyn Dever’s Sustainable High-Fashion GownDavid Fisher/ShutterstockBooksmart’s Kaitlyn Deverwent green on the red carpetas part of Suzy Amis Cameron’s Red Carpet Green Dress (RCGD) initiative. That means her Louis Vuitton gown was made of ethical and eco-responsible certified silk satin, Tencel Luxe filament yarn andembroidered with Swarovski crystals and glass beads that met the sustainable criteria of Good on You, a partner of RCGD.
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Kaitlyn Dever’s Sustainable High-Fashion Gown

Booksmart’s Kaitlyn Deverwent green on the red carpetas part of Suzy Amis Cameron’s Red Carpet Green Dress (RCGD) initiative. That means her Louis Vuitton gown was made of ethical and eco-responsible certified silk satin, Tencel Luxe filament yarn andembroidered with Swarovski crystals and glass beads that met the sustainable criteria of Good on You, a partner of RCGD.
09of 12Brie Larson’s Dress Has Hundreds of Thousands of EmbellishmentsBrie Larson.Kevin Mazur/GettyThe custom Celine cape dress featured more than 249,500 sequins, glass beads, Swarovski crystals and pink strassed jewels, which took more than 1,200 to hand embroider.
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Brie Larson’s Dress Has Hundreds of Thousands of Embellishments
Brie Larson.Kevin Mazur/Getty

The custom Celine cape dress featured more than 249,500 sequins, glass beads, Swarovski crystals and pink strassed jewels, which took more than 1,200 to hand embroider.
10of 126 Seamstresses Worked on Florence Pugh’s DressTheLittle Womenstar walked the carpet in a teal ruffled Louis Vuitton high-low dress, thanks to a team of six hard-working seamstresses who worked for 250 hours to create the gown.
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6 Seamstresses Worked on Florence Pugh’s Dress

TheLittle Womenstar walked the carpet in a teal ruffled Louis Vuitton high-low dress, thanks to a team of six hard-working seamstresses who worked for 250 hours to create the gown.
11of 12Saoirse Ronan’s Dress Is Her Movie Star MomentAmy Sussman/Getty"Saoirse is not the same person that she was the first, second or third time she came tothe Oscarsas a nominee," says stylist Elizabeth Saltzman. “So this [sustainable custom Gucci gown] is kind of taking her from etheral to sensual. It’s elevated in style.”
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Saoirse Ronan’s Dress Is Her Movie Star Moment
Amy Sussman/Getty

“Saoirse is not the same person that she was the first, second or third time she came tothe Oscarsas a nominee,” says stylist Elizabeth Saltzman. “So this [sustainable custom Gucci gown] is kind of taking her from etheral to sensual. It’s elevated in style.”
12of 12Regina King’s Gown Was Made By a Veteran Versace TeamDavid Fisher/ShutterstockRegina King’s stylistsWayman Bannerman and Micah McDonaldworked with a veteran team of Versace designers (who have been there for over 10 years!) to create her custom blush pink Atelier Versace gown which took nearly 550 hours to create.
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Regina King’s Gown Was Made By a Veteran Versace Team

Regina King’s stylistsWayman Bannerman and Micah McDonaldworked with a veteran team of Versace designers (who have been there for over 10 years!) to create her custom blush pink Atelier Versace gown which took nearly 550 hours to create.
source: people.com