The Screen Actors Guild Awards are on Saturday, but stars geared up for the big night with the annual Entertainment Weekly preparty held at the Chateau Marmont in LA on Friday evening. The cast of Orange Is the New Black steamed up the red carpet with their gorgeousness, while Game of Thrones's Maisie Williams and Sophie Turner made stunning appearances at the fete. Also on hand for the event were the stars of Downton Abbey, who scored multiple nominations this year, including outstanding performance by a cast, along with Mr. Robot's Rami Malek, who recently revealed that his mom is obsessed with Jon Hamm. Read on to see even more red carpet arrivals and highlights from the evening.
Pictured: Rami Malek
Pictured: Maisie Williams
Pictured: Nolan Gould
Pictured: Laura Prepon
Pictured: Sarah Hyland
Pictured: Sarah Rafferty
Pictured: Finn Wittrock
Pictured: Jackie Cruz
Pictured: Julie Bowen
Pictured: Diane Guerrero
Pictured: Sophie Turner
Pictured: Carrie Brownstein
Pictured: Selenis Leyva
Pictured: Rico Rodriguez and Raini Rodriguez
Pictured: Zoë Kravitz and Twin Shadow's George Lewis Jr.
Pictured: Beth Fowler
Pictured: Adrienne C. Moore
Pictured: Lori Petty
Pictured: Samira Wiley
Pictured: Nasim Pedrad
Pictured: Jamie Brewer
Pictured: Joanne Froggatt, Kevin Doyle, Sophie McShera, Raquel Cassidy, Lesley Nicol, and Phyllis Logan
Pictured: Xosha Roquemore
Pictured: Bellamy Young
Pictured: Michaela Watkins
Pictured: Jay Duplass, Amy Landecker, and Bradley Whitford
Pictured: Stephanie Drake
Pictured: Billy Brown
Pictured: Emily Robinson
Pictured: Vicky Jeudy
Pictured: Gaby Hoffmann
Pictured: Sophie McShera
Pictured: Kiersey Clemons
Pictured: Lamorne Morris
Pictured: Camilla Luddington
Pictured: Raquel Cassidy
Pictured: Stephanie Corneliussen
Pictured: Skyler Samuels
Pictured: Emma Myles
Pictured: Elizabeth Rodriguez
Pictured: Joe Morton
Pictured: Jessica Pimentel
Pictured: Jenny Wade
Pictured: Kimiko Glenn
Pictured: Rachel Keller
Pictured: Laverne Cox