Rihanna wore custom Schiaparelli couture with a voluminous black velvet stole

Rihanna wore custom Schiaparelli couture with a voluminous black velvet stole

Actor Stephanie Hsu wore a strapless bustier gown with floral appliqué skirt

Actor Stephanie Hsu wore a strapless bustier gown with floral appliqué skirt

Best Supporting Actor nominee Tyler James Williams wore an Amiri suit with wide-legged pant

Best Supporting Actor nominee Tyler James Williams wore an Amiri suit with wide-legged pant

Elizabeth Debicki arrived in a pink silk strapless dress by Dior

Elizabeth Debicki arrived in a pink silk strapless dress by Dior

Billy Porter again wore a Christian Siriano tuxedo gown

Billy Porter again wore a Christian Siriano tuxedo gown

Jennifer Hudson sparkled in a golden dress by New York designer CD Greene

Jennifer Hudson sparkled in a golden dress by New York designer CD Greene

Margot Robbie, nominated for her role in "Babylon," arrived in a flared custom Chanel dress that the French label said took 750 hours of work

Margot Robbie, nominated for her role in "Babylon," arrived in a flared custom Chanel dress that the French label said took 750 hours of work

Lily James in a voluminous Versace gown with cutouts.

Lily James in a voluminous Versace gown with cutouts.