Robert Downey Jr. Makes It a Date, Plus More Stars at the Super-Glam Saint Laurent Oscars Bash

Zoe Kravitz, Jon Hamm, Josh Hartnett and more stepped out for an awards weekend bash in celebration of 'Oppenheimer'

<p>Alberto Rodriguez/WWD via Getty</p> Robert Downey Jr. and Susan Downey

Alberto Rodriguez/WWD via Getty

Robert Downey Jr. and Susan Downey

Oscars weekend has begun!

On Friday night in Los Angeles, Saint Laurent hosted the A-list to kick off Hollywood's big moment, throwing a party in celebration of Oppenheimer with NBCUniversal and Vanity Fair.

Here, see all the stars who attended — and their glamorous outfits.

Jon Hamm and Anna Osceola

<p>Alberto Rodriguez/WWD via Getty</p> Jon Hamm and Anna Osceola

Alberto Rodriguez/WWD via Getty

Jon Hamm and Anna Osceola

Donald Glover

<p>Alberto Rodriguez/WWD via Getty</p> Donald Glover

Alberto Rodriguez/WWD via Getty

Donald Glover

Josh Hartnett

<p>Alberto Rodriguez/WWD via Getty</p> Josh Hartnett

Alberto Rodriguez/WWD via Getty

Josh Hartnett

Hailey Bieber

<p>Alberto Rodriguez/WWD via Getty</p> Hailey Bieber

Alberto Rodriguez/WWD via Getty

Hailey Bieber

Olivia Wilde

<p>Alberto Rodriguez/WWD via Getty</p> Olivia Wilde

Alberto Rodriguez/WWD via Getty

Olivia Wilde

Rosé

<p>Alberto Rodriguez/WWD via Getty</p> Rosé

Alberto Rodriguez/WWD via Getty

Rosé

Robert Downey Jr. and Susan Downey

<p>Alberto Rodriguez/WWD via Getty</p> Robert Downey Jr. and Susan Downey

Alberto Rodriguez/WWD via Getty

Robert Downey Jr. and Susan Downey

Zoë Kravitz

<p>Alberto Rodriguez/WWD via Getty</p> Zoë Kravitz

Alberto Rodriguez/WWD via Getty

Zoë Kravitz

Sharon Stone

<p>Alberto Rodriguez/WWD via Getty</p> Sharon Stone

Alberto Rodriguez/WWD via Getty

Sharon Stone

Dominic Fike

<p>Alberto Rodriguez/WWD via Getty</p> Dominic Fike

Alberto Rodriguez/WWD via Getty

Dominic Fike

Salma Hayek

<p>Alberto Rodriguez/WWD via Getty</p> Salma Hayek

Alberto Rodriguez/WWD via Getty

Salma Hayek

Caylee Cowan and Casey Affleck

<p>Alberto Rodriguez/WWD via Getty</p> Caylee Cowan and Casey Affleck

Alberto Rodriguez/WWD via Getty

Caylee Cowan and Casey Affleck

Keegan-Michael Key and Elle Key

<p>Alberto Rodriguez/WWD via Getty</p> Keegan-Michael Key and Elle Key

Alberto Rodriguez/WWD via Getty

Keegan-Michael Key and Elle Key

Alex Wolff

<p>Alberto Rodriguez/WWD via Getty</p> Alex Wolff

Alberto Rodriguez/WWD via Getty

Alex Wolff

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