Rihanna Instagrammed THIS photo.
Her top is the Rick Owens Metallic Bikini. Buy it here FARFETCH
Her skirt is the Dries Van Noten Metallic Skirt. Buy it here: NET-A-PORTER and MYTHERESA
Her sandals are the Amina Muaddi x AWGE LSD Gladi Thigh High Heel. Buy them here: FORWARD and SAKS FIFTH AVENUE