By Steven McIntoshEntertainment reporter

All eyes will be on Hollywood later to see whether Everything Everywhere All At Once can cap its extraordinary awards season by sweeping the Oscars.

The eccentric multiverse adventure is the favourite to win best picture after success at a host of precursor events.

But it faces competition from All Quiet on the Western Front and The Banshees of Inisherin, among others.

Austin Butler, Brendan Fraser, Cate Blanchett and Michelle Yeoh are the frontrunners in the acting categories.

The 2023 awards season has been one of the most unpredictable of recent years, with three of the four acting categories too close to call.

Winners have varied at the other major ceremonies, such as the SAG Awards, Baftas and Golden Globes, and there is a lack of consensus over who will triumph at the Oscars as a result.

Who is hosting the Oscars?

The 95th Academy Awards ceremony will be hosted by Jimmy Kimmel from the Dolby Theatre in Los Angeles.

It will be the chat show host's third time hosting the Academy Awards. He most recently presided over the 2018 event.

The US comic is probably trying to forget about the other occasion, in 2017, when the ceremony descended into chaos after the wrong best picture winner was mistakenly announced.

As part of a media call at the Dolby Theatre on Wednesday, Kimmel joked about how the venue's red carpet has changed colour for the first time since 1960.

Referring to Will Smith slapping Chris Rock at last year's Oscars, Kimmel said: "People have been asking if there's going to be any trouble this year, is there going to be any violence this year?

"I certainly hope not. But if there is, I think the decision to go with a champagne carpet rather than a red carpet shows how confident we are that no blood will be shed."

The decision to change the carpet's colour was actually made for practical reasons, according to The Hollywood Reporter. The new one means organisers "can transition more seamlessly from daytime arrivals to an elegant evening setting".

How to watch the Oscars

Viewers in the US can watch the Oscars live on ABC. The network is also streaming the ceremony on its website and app.

In the UK, Sky will air the ceremony across four of its channels simultaneously - Sky Arts, Sky News, Sky Showcase and Sky Cinema Oscars.

Unusually, that means British viewers can watch the Oscars on Freeview and Freesat. It will also be available on streaming service Now (formerly Now TV).

The ceremony starts at 17:00 PT / 20:00 ET on Sunday. In the UK, it starts at midnight as Sunday becomes Monday.

The prizes are scheduled to be handed out over three hours - but the ceremony runs late almost every year, often by at least 30 minutes.

Who is presenting at the Oscars?

Traditionally, the four acting winners from the previous year's Oscars come back to present the prizes to their successors.

This year, three of 2022's winners are returning - Jessica Chastain, Ariana DeBose and Troy Kotsur - but the fourth, Will Smith, is absent as he's been banned for attending the Oscars for 10 years.

Other stars presenting categories this year include Harrison Ford, Nicole Kidman, Samuel L Jackson, Dwayne Johnson, Zoe Saldaña, Sigourney Weaver, John Travolta, Emily Blunt, Jennifer Connelly and Florence Pugh.

Interestingly, Halle Berry has also been invited to present. She remains the only woman of colour to win best leading actress at the Oscars, but we could see the second this year with Yeoh.

Other category presenters include Paul Dano, Andrew Garfield, Cara Delevingne, Kate Hudson, Michael B Jordan, Jonathan Majors, Mindy Kaling, Eva Longoria, Julia Louis-Dreyfus, Andie MacDowell and Riz Ahmed.

They will be joined by Antonio Banderas, Elizabeth Banks, Hugh Grant, Salma Hayek Pinault, Melissa McCarthy, Halle Bailey, Janelle Monáe, Questlove, Elizabeth Olsen and Pedro Pascal.

Who are the favourites to win?

Excitingly, this year's winners are the hardest to predict for some time, due to the variation at the many precursor ceremonies.

The only acting category awards pundits are confident about is Everything Everywhere All At Once star Ke Huy Quan winning best supporting actor.

Otherwise, it's all to play for. Brendan Fraser (The Whale) and Austin Butler (Elvis) have both won a host of best actor prizes at other major events and either one could take the Oscar.

There is another dead heat in the actress category, with Michelle Yeoh (Everything Everywhere All At Once) enjoying a late surge of momentum, challenging the early frontrunner Cate Blanchett (Tár).

Best supporting actress is arguably the most open of the acting categories - with a three-way race between Angela Bassett (Wakanda Forever), Kerry Condon (The Banshees of Inisherin) and Jamie Lee Curtis (Everything Everywhere All At Once).

What will win best picture?

At this point, Everything Everywhere All At Once is the clear frontrunner, having won nearly every major precursor it needed to - with the notable exception of Bafta.

The British Academy was far less keen on the film than US voters have been, and the Baftas gave far more prizes to All Quiet on the Western Front.

At the Oscars, the World War One epic is the bookies' second favourite to take the top prize, followed by The Banshees of Inisherin.

Best picture is decided via a preferential ballot - Academy members are asked to rank the 10 nominated films from favourite to least favourite.

That can mean a film which has passionate support among a vocal but relatively small section of the Academy can lose out to a film which pleased a wider number of voters overall.

For example, a crowd pleaser such as Top Gun: Maverick could be a dark horse in the best picture race due to the large number of second and third place votes it is likely to have received.

Who is performing?

Rihanna will take to the Academy Awards stage exactly one month since her electrifying performance at the Super Bowl. She will perform Lift Me Up (from Black Panther: Wakanda Forever), which is nominated for best original song.

The most likely winner in that category, however, is Naatu Naatu (from RRR) - which will be performed at the ceremony by Rahul Sipligunj and Kaala Bhairava.

David Byrne, Son Lux and Stephanie Hsu will perform This Is A Life (from Everything Everywhere All at Once), while Diane Warren and Sofia Carson will perform Applause (from Tell It Like a Woman).

On Sunday, it was announced Lady Gaga will perform Hold My Hand (from Top Gun: Maverick), the fifth nominee in the category, despite earlier reports that she would not.

Elsewhere, Lenny Kravitz will perform during the In Memoriam segment, which pays tribute to film figures who have died over the past year.

Why are the Oscars called the Oscars?

Officially, these are the Academy Awards, but they have been known affectionately as the Oscars for decades.

There are three possible sources. One is the late US columnist Sidney Skolsky, who claimed he gave the award its nickname.

Actress Bette Davis claimed that the name derived from her observation that the backside of the statuette looked like that of her husband, Harmon Oscar Nelson.

But the most popular theory is one attributed to former Academy librarian Margaret Herrick, who declared that the golden statuette looked like her uncle Oscar.

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