Feb 10, 2020 at 8:57 am

Sydney Sweeney Joins 'Euphoria' & 'Once.. in Hollywood' Stars at Vanity Fair Oscar Party 2020!

Sydney Sweeney looks so glamorous while attending the 2020 Vanity Fair Oscar Party on Sunday night (February 9) at the Wallis Annenberg Center for the Performing Arts in Beverly Hills, Calif.

The 22-year-old actress was joined at the event by co-stars from her Oscar-nominated movie Once Upon a Time in Hollywood and the HBO series Euphoria.

Hollywood‘s Margaret Qualley (in an outfit change from earlier in the night), Harley Quinn Smith (with boyfriend Austin Zajur), and Mikey Madison were all there.

Euphoria‘s Hunter Schafer, Barbie Ferreira, and Maude Apatow were all in attendance. Alexa Demie is pictured while attending the Elton John party.

FYI: Sydney is wearing a Ralph & Russo Couture dress, Kallati earrings, a Maxior ring and Stuart Weitzman shoes. Margaret is wearing a Giambattista Valli dress. Hunter is wearing a Givenchy Haute Couture dress. Alexa is wearing a Giambattista Valli dress with Jimmy Choo shoes and bag. Barbie is wearing a Christopher Kane dress, a Jennifer Zeuner choker, Bakti jumbo link choker and Sophia Webster shoes.