Nominated for her hard-hardhitting turn as Tonya Harding in I, Tonya, Margot Robbie keeps it classy in a white Chanel gown. Her date for the big night is her mum. Ain't that sweet? On-screen mommy, Allison Janney is there too wearing a red-hot Reem Acra. Janney is said to be a lock-in for Best Supporting Actress.

Photograph: Frazer Harrison/Getty Images