The fashion is as important as the films at the Oscars, and the stars turned on the style as they walked the red carpet ahead of Sunday's film awards in Hollywood.

Emma Stone (above) was among the best-dressed in a custom Louis Vuitton pale mint peplum gown. She is one of the favourites to be named best actress, for Poor Things.

Margot Robbie was controversially not nominated for her role in Barbie, but she was one of the fashion winners in a black sequined Versace gown.

Co-star Ryan Gosling brought some 'Kenergy' a classic black outfit with sparkly silver trim.

In a nod to the preppy style of 1995 film Clueless, Billie Eilish's outfit included a Chanel tweed blazer, tall socks and heeled Mary Jane shoes. The singer is tipped to win best song for her Barbie theme What Was I Made For?

America Ferrera wore a shimmering pink gown in a tribute to Barbie. Ferrera has a best supporting actress nomination for her role in the film.

Da'Vine Joy Randolph continued her ability to bring dramatic looks red carpets to this awards season, wearing a shimmering periwinkle dress with pom-pom sleeves and a long train. She went on to win best supporting actress.

Bradley Cooper, nominated for Maestro, wore a black suit without a tie but with turquoise buttons to add a modern twist. His mother Gloria was his date.

Cooper's Maestro co-star Carey Mulligan oozed elegance in a black-and-white mermaid dress.

Jennifer Lawrence brought polka dots to the red carpet with a gorgeous Dior gown.

Dune star Zendaya chose a single-strapped striking rose Armani Privé dress with a metallic palm tree pattern.

Emily Blunt and husband John Krasinski had a matching cream look, with best supporting actress nominee Blunt in a structured Schiaparelli gown with Superman-style underwear detailing.

Paul Giamatti, who walked the carpet with actress and girlfriend Clara Wong, is among the favourites in the best actor category for his role in The Holdovers.

Cillian Murphy, who is also up for best actor for Oppenheimer, looked dapper in traditional suit and bow tie.

Last year's best actor winner Brendan Fraser returned with his partner Jeanne Moore.

Lupita Nyong'o arrived with Stranger Things actor Joseph Quinn - her co-star in the forthcoming A Quiet Place prequel, Day One.

Anya Taylor Joy, who is one of the night's presenters, wore a strapless sequined Dior Haute Couture ball gown.

Jamie Lee Curtis won best supporting actress last year, and the 65-year-old will be among the presenters this time.

Dwayne "the Rock" Johnson sported a silk slate three-piece suit and a burgundy silk scarf.

Singer Ariana Grande channelled Glinda the Good Witch, her character in the new Wicked films, in a custom Giambattista Valli Haute Couture creation.

Pitch Perfect star Brittany Snow co-ordinated with the Oscars statuettes in a dazzling gold dress.

Snow stars in Oscar-nominated short film Red, White and Blue, which was made by British director Nazrin Choudhury.

Eugene Lee Yang made a dramatic entrance in a voluminous burgundy statement skirt and matching jacket. He voices a heroic knight in Netflix's animated sci-fi comedy Nimona, which was nominated for best animated feature.

English actress Andrea Riseborough, who was nominated for best actress last year, adapted a Scottish tartan pattern in her polo neck dress.

Former High School Musical star Vanessa Hudgens - who co-hosted the official pre-show coverage - revealed her pregnancy with a full-length black gown that showed off her baby bump. The actress is married to baseball player Cole Tucker.

Julianne Hough, co-host of the official red carpet show alongside Hudgens, wore billowing white trousers with shimmery detailing around the bust.

Actress and host Liza Koshy took a tumble on the red carpet, but she managed to style it out.

Grace Linn is probably the oldest person to attend this year's ceremony at 101. She inspired and appears in The ABCs of Book Banning, which is up for best documentary short, and her outfit is a testament to her love of books.

West Side Story star Rita Moreno - who won an Oscar 62 years ago - is 92 years young.

Sean Wang made as short film about moving in with his grandmothers during Covid - and they are all at the Oscars after Nai Nai & Wài Pó was nominated for best documentary short.

British influencer Amelia Dimoldenberg, best known for her Chicken Shop Dates series, is fronting the Oscars' official social media campaign. She also plumped for a classic full-length dress, this time in pink.

Members of the Native American Osage Nation brought some of their traditional finery to the red carpet. Martin Scorsese's Killers of the Flower Moon, which is up for best picture, tells the story of the persecution of the Osage Nation in the 1920s.

By Ian Youngs, Scarlett Harris, Yasmin Rufo, Helen Bushby & George Burke.

Read more about the Oscar-nominated films:

• Poor Things: Emma Stone: Sex scenes in Poor Things are 'honest'
• The Holdovers: The Holdovers: Could it be a new Christmas classic?
• Barbie: Billie Eilish dedicates award to people struggling
• Oppenheimer: Barbenheimer was wonderful for cinema, Murphy says
• American Fiction: White audiences 'too comfortable with black clichés'
• Rustin: The gay civil rights activist history forgot
• The Color Purple: Stars want to make Oprah proud
• Nyad: Netflix film follows woman who braved sharks and jellyfish
• Past Lives: The film on lost love that crosses continents
• Killers of the Flower Moon: Lily Gladstone could make Oscars history
• Saltburn: Director discusses 'revolting' bathtub scene
• May December: Film explores 'disquieting moral ambiguity'
• The Zone of Interest: Auschwitz film was 'like Big Brother' in house next to camp
• Society of the Snow: Society of the Snow film explores cannibalism and survival
• All of us Strangers: Andrew Scott film an 'unforgettable' look at trauma
• Maestro: Why the Bradley Cooper nose row is complicated