Natalie Portman in floral Alexander McQueen.
Emma Stone in cut-out Roland Mouret.
Viola Davis stood out in baby blue Michael Kors perfection.
Lily Collins in a vintage-inspired Elie Saab dream gown.
Her makeup was also vampy AF.
Ariel Winter stunned in this sexy gown.
Kate Beckinsale really brought the big guns in this Reem Acra gown.
Portia Doubleday's lightning bolt dress was everything!
Michelle Williams, elegant as always in Louis Vuitton.
Sarah Paulson in all-white Vera Wang.
Hailee Seinfeld stunned in pretty Jason Wu.
Allison Williams in a top-to-toe graphic beaded gown by Balmain.
Janelle Monae always wears black and white, yet she always manages to reinvent this staple pairing.
Jessica Biel in a flawless boho-style Elie Saab.
Kaley Cuoco-Sweet opted for a pink pantsuit with a twist.
Bella Thorne in a half-sheer metallic gown.
Images: Getty