The best-dressed celebrity couples at the 2024 Oscars

• The 96th Academy Awards are taking place in Hollywood, California, on Sunday.

• On the Oscars red carpet, celebrity couples were some of the best-dressed stars.

• Gabrielle Union and Dwyane Wade, for example, channeled Old Hollywood glam.

Hollywood's A-list couples walked the red carpet on Sunday to attend the 96th Academy Awards in Los Angeles.

Couples such as Gabrielle Union and Dwyane Wade and Ted Danson and Mary Steenburgen showed off their best looks to celebrate the year in film.

Business Insider chose the best-dressed couples on Hollywood's biggest night.

Carey Mulligan channeled Old Hollywood glam alongside her husband, Marcus Mumford.

Nominated for her performance as Felicia in "Maestro," Mulligan was the picture of elegance in this black-and-white mermaid gown designed by Balenciaga, which she paired with black opera gloves and Fred Leighton jewelry.

Her husband went a touch more modern with an all-black ensemble paired with tinted sunglasses.

John Mulaney and Olivia Munn looked chic on the red carpet.

The comedian chose an all-black Fendi suit for the evening, while his partner wore a metallic Fendi gown with a long cape that doubled as a train.

Susan Downey and Robert Downey Jr. both wore black, but their outfits were anything but subdued.

Downey Jr. took a bolder approach to men's red-carpet fashion with a Western-style suit. His jacket had sharp shoulders and a silver brooch, while his pants were tailored perfectly.

His wife, producer Susan Downey, matched him in a strapless gown with a plunging U neckline, a floor-length skirt, and a scarf around her neck.

Margot Robbie strayed from "Barbie" fashion, and her husband, Tom Ackerley, followed suit.

Robbie's Versace dress was strapless, covered in black sparkles, and ruched across the hips. She completed the look with a tousled hairstyle and gold jewelry.

Ackerley, on the other hand, wore a classic suit, white shirt, and black bow tie.

Ryan Michelle Bathe and Sterling K. Brown looked like royalty.

Bathe arrived in a Grecian-style gown with a cascading neckline and pleated skirt, while Brown sported a navy tuxedo with satin black lapels. He also wore a diamond and sapphire brooch from Boucheron's private collection.

Mark Consuelos and Kelly Ripa were all smiles on the red carpet in coordinated outfits.

Ripa wore a strapless Jason Wu gown with a structured bodice, semi-sheer skirt, and all-over spot design. A thin train also extended from the hip, adding a glamorous element to the daring dress.

Consuelos complemented his wife's look in a classic tuxedo and bow tie.

John Krasinski and Emily Blunt matched in cream-colored ensembles.

Blunt, nominated for "Oppenheimer," wore a Schiaparelli gown covered in nude sequins. She paired it with Tiffany diamonds around her neck.

Krasinski complemented his wife in a cream tuxedo with a sunburst brooch and a white shirt.

Jodie Foster and Alexandra Hedison looked elegant as they walked the red carpet.

Foster, a nominee for "Nyad," wore a navy Loewe gown with sparkles cascading down the skirt, resembling a starry night sky.

Her wife Hedison, an actor and photographer, wore a one-shoulder black gown. Her sparkling eye makeup complemented her wife's shimmering dress.

Paul Giamatti walked the red carpet with his partner, Clara Wong, who dazzled in a metallic silver gown.

Giamatti, nominated for his role in "The Holdovers," opted for a classic black tuxedo with a white pocket square.

Wong's silver long-sleeved gown was covered in sequins from head to toe, and she kept the rest of her look simple with black accessories.

Nicolas Cage and his wife, Riko Shibata, matched in black outfits.

Cage attended the Academy Awards in a black tuxedo with a simple black bow tie.

Shibata, who wed Cage in 2021, matched him in a strapless black gown with gray architectural details, a black Chanel purse, and pointed-toe heels.

Ke Huy Quan and his wife Echo wore suits on the red carpet.

The "Everything Everywhere All at Once" star wore a burgundy snakeskin-patterned suit designed by Versace, and he accessorized with a Cartier brooch.

His wife, Echo, on the other hand, went for a velvet black suit with metallic paneling.

Kirsten Dunst and Jesse Plemons both opted for classic looks on the red carpet.

Dunst and Plemons, who met on the set of "Fargo" and will reunite again this year in the film "Civil War," each wore simple yet classic looks on the Oscars red carpet.

Dunst wore a chic white Gucci dress that she paired with a red lip, while Plemons wore a black suit and bow tie.

America Ferrera brought Barbie pink to the red carpet, while her husband, Ryan Piers Williams, kept it simple with a black tux.

Ferrera, nominated this year for her performance in "Barbie," wore a form-fitting pink chainmail gown designed by Versace.

Her husband, who has a small cameo in the film, chose a classic black tuxedo and bow tie.

Mark Ronson and Grace Gummer took opposite approaches to their red-carpet fashion.

While Ronson arrived in a black tuxedo, bow tie, and white top, Gummer's look was more daring. The daughter of Meryl Streep and Don Gummer wore a red gown with sheer long sleeves, a plunging V neckline, and all-over sparkles.

The eye-catching ensemble also included a thigh-high slit that revealed her silver sandals and a long necklace that highlighted its bold bodice.

Gabrielle Union and Dwyane Wade complemented each other's outfits perfectly.

Union dazzled on the red carpet in a strapless gown designed by Carolina Herrera. It had a peplum waist, a straight skirt, and rows of crystals from top to bottom.

Wade stood beside her in a two-toned tuxedo, a white button-up top, and a black bow tie. His outfit was custom-made for him by Atelier Versace.

Simu Liu and Allison Hsu contrasted each other on the red carpet.

The "Barbie" actor posed for photos in a black Fendi suit, which included a casual blazer held together with a large diamond brooch. He also wore a black shirt with a low neckline beneath it.

Hsu, on the other hand, wore a white gown with a wave-style neckline, form-fitting bodice, and mermaid skirt. The latter piece featured a short train that flowed down the carpet and an extra piece of fabric that extended from the hip.

Brendan Fraser and Jeanne Moore kept things classic.

Fraser looked dapper in a shining black tuxedo, white top, and bow tie, while Moore sparkled in a blue off-the-shoulder gown. The makeup artist also carried a silver clutch and wore diamond earrings.

Jack Quaid and Claudia Doumit, who costar on "The Boys," made their red-carpet debut in elegant fashion.

While Quaid sported a velvet tuxedo in a deep plum color, Doumit opted for a golden dress with a sparkling mesh overlay.

The Australian actor completed her look with diamond earrings and a tan clutch, while Quad, the son of Dennis Quaid and Meg Ryan, added a bow tie to his outfit.

Ted Danson and Mary Steenburgen looked chic in matching black looks.

Danson's black suit and white top were pretty standard, but he added a pop of print with a polka-dot tie.

Steenburgen did the same, choosing a strapless black Tom Ford gown that was plain aside from a belt-style piece that wrapped around its neckline. It also had a thigh-high slit across its skirt.

Sean Lennon and Charlotte Kemp Muhl matched in all-black ensembles.

Lennon, the son of John Lennon and Yoko Ono, kept things classic in a black tuxedo with satin lapels and a matte bow tie, while Muhl, a model and musician, donned a backless halter dress with chunky patent-leather boots.

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