Today, Hollywood's biggest stars will hit the red carpet for one of the industry's most important events, the Oscars. Amongst all of the red carpet gossip, people have been on tenterhooks to see who picks up the biggest awards of the night. And now we can reveal the winner of one of the most coveted - the award for Best Leading Actor.

It's that time of year again...

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Awards season is in full swing and the hotly anticipated Oscars are here.

The Oscars are one of the biggest events in Hollywood.

Today the biggest names in the industry have hit the red carpet to see who will be honored with an award this year.

For the second year in a row, the annual event went hostless.

Last year, people were pretty uncertain about how the evening would pan out but it seems it's a tradition the Academy is set to continue. ABC Entertainment president Karey Burke made the announcement last week while speaking at the Television Critics Association's winter press tour in Pasadena: "Let me confirm it now, together with the Academy, that there will be no traditional host this year."

Across all the major categories, there's some tough competition.

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Especially when it comes to the 9 flicks that went head to head in the "Best Picture" category.

There were some strong reactions to the nominations.

Twitter has been full to bursting with all things Oscar-related.

And this year seemed particularly strong.

An absolutely huge amount of critically-acclaimed movies have hit screens recently. The nominees certainly caused a stir!

Costume Design

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Jojo Rabbit Once Upon a Time in Hollywood The Irishman Joker Little Women

Sound Mixing

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1917 Ford v Ferrari Joker Once Upon a Time in Hollywood Star Wars: The Rise of Skywalker

Original Score

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1917 (Thomas Newman) Joker (Hildur Guðnadóttir) Little Women (Alexandre Desplat) Marriage Story (Randy Newman) Star Wars: The Rise of Skywalker (John Williams)

Animated Short Film

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Dcera (Daughter) Hair Love Kitbull Memorable Sister

Live-Action Short Film

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Brotherhood Nefta Football Club The Neighbors’ Window Saria A Sister

Documentary Feature

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American Factory (Netflix) The Cave (National Geographic) The Edge of Democracy (Netflix) For Sama (PBS) Honeyland (Neon)

Documentary Short Subject

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In the Absence Learning to Skateboard in a Warzone (If You’re a Girl) Life Overtakes Me St. Louis Superman Walk Run Cha-Cha

International Feature Film

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Corpus Christi (Poland) Honeyland (North Macedonia) Les Miserables (France) Pain and Glory (Spain) Parasite (South Korea)

Original Screenplay

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1917 (Sam Mendes & Krysty Wilson-Cairns) Knives Out (Rian Johnson) Marriage Story (Noah Baumbach) Once Upon a Time in Hollywood (Quentin Tarantino) Parasite (Bong Joon Ho & Jin Won Han)

Adapted Screenplay

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The Irishman (Steven Zaillian) Jojo Rabbit (Taika Waititi) Joker (Todd Phillips & Scott Silver) Little Women (Greta Gerwig) The Two Popes (Anthony McCarten)

Production Design

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1917 The Irishman Jojo Rabbit Once Upon a Time in Hollywood Parasite

Film Editing

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Ford v Ferrari (Andrew Buckland & Michael McCusker) The Irishman (Thelma Schoonmaker) Jojo Rabbit (Tom Eagles) Joker (Jeff Groth) Parasite (Jinmo Yang)

Cinematography

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1917 (Roger Deakins) The Irishman (Rodrigo Prieto) Joker (Lawrence Sher) The Lighthouse (Jarin Blaschke) Once Upon a Time in Hollywood (Robert Richardson)

Visual Effects

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1917 Avengers: Endgame The Irishman The Lion King Star Wars: The Rise of Skywalker

Animated Feature Film

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How to Train Your Dragon: The Hidden World (Dreamworks) I Lost My Body (Netflix) Klaus (Netflix) Missing Link (United Artists Releasing) Toy Story 4 (Pixar)

Original Song

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"I Can't Let You Throw Yourself Away" (Toy Story 4) — Randy Newman "(I'm Gonna) Love Me Again" (Rocketman) — Elton John & Bernie Taupin "I'm Standing With You" (Breakthrough) — Diane Warren "Into the Unknown" (Frozen 2) — Robert Lopez & Kristen Anderson-Lopez "Stand Up" (Harriet) — Joshuah Brian Campbell & Cynthia Erivo

Makeup and Hairstyling

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1917 Bombshell Joker Judy Maleficent: Mistress of Evil

Directing

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Bong Joon Ho (Parasite) Sam Mendes (1917) Todd Phillips (Joker) Martin Scorsese (The Irishman) Quentin Tarantino (Once Upon a Time in Hollywood)

Actress in a Supporting Role

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Kathy Bates (Richard Jewell) Laura Dern (Marriage Story) Scarlett Johansson (Jojo Rabbit) Florence Pugh (Little Women) Margot Robbie (Bombshell)

Actor in a Supporting Role

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Tom Hanks (A Beautiful Day in the Neighborhood) Anthony Hopkins (The Two Popes) Al Pacino (The Irishman) Joe Pesci (The Irishman) Brad Pitt (Once Upon a Time in Hollywood)

Actress in a Leading Role

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Cynthia Erivo (Harriet) Scarlett Johansson (Marriage Story) Saoirse Ronan (Little Women) Charlize Theron (Bombshell) Renée Zellweger (Judy)

Best Picture

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1917 (Universal) Ford v Ferrari (Fox) The Irishman (Netflix) Jojo Rabbit (Fox Searchlight) Joker (Warner Bros.) Little Women (Sony) Marriage Story (Netflix) Once Upon a Time in Hollywood (Sony) Parasite (Neon)

Actor in a Leading Role

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Antonio Banderas (Pain and Glory) Leonardo DiCaprio (Once Upon a Time in Hollywood) Adam Driver (Marriage Story) Joaquin Phoenix (Joker) Jonathan Pryce (The Two Popes)

And now it's been announced that the winner of the coveted Best Leading Actor Award is...

Joaquin Phoenix! It's the star's first ever Oscar win - but this year he's swept the board. Scroll on for his incredible BAFTA moment.