Stars sparkled in the photographer’s flash at last night’s Costume Institute Gala Benefit fêting the upcoming exhibit "Schiaparelli and Prada: Impossible Conversations". 

And everyone from Alicia Keys to Victor Cruz came to celebrate the revolutionary designers who broke all sorts of rules in fashion. 

While some stars opted for the company of their significant others, the real show stoppers were the designers who came with their own A-list plus ones and the fashionably late set: Alexander Wang came with up-and-coming rapper Azealia Banks; Rachel Roy shined with Solange Knowles; Olivier Rousteing of Balmain accompanied Joan Smalls; and the illustrious Tom Ford drew in the crowd with Chanel Iman

And just when we thought the night was over, Rihanna sauntered up the red-carpeted steps in Tom Ford followed by a stunning and semi-exposed Beyoncé in Givenchy

Here are our favorite looks from last night. Tell us your favorite looks on Twitter @EBONYMag with the hashtag #EBONYStyle.

—Nicole Miles