Rihanna Tweeted THIS photo.
Her sunglasses are the Andy Wolf x Km20 Olga Sunglasses. Buy them here: KM20
Her top is the Quetsche Hidden Dress Cotton-Jersey and Tulle T-Shirt. Buy it here: SELFRIDGES & CO
Her jeans are the Matthew Adams Dolan High Rise Jeans. Buy them here: NET-A-PORTER
Her shoes are the Amina Muaddi Begum Pumps. Buy them here: NET-A-PORTER and MYTHERESA