Rihanna unleashed her sexy on Instagram once again last night, when she shared the above snap from a mystery photo shoot.

Almost topless, Ms. Fenty rocked a stunning Red lip for the shoot- which was reportedly helmed by world renown photographer Mert Alas, whose previous clients included Lady GaGa and Victoria Beckham.

Her smouldering shoot came hours before her ex boyfriend Chris Brown reportedly got into a violent brawl with ‘Thinking Of You‘ singer Frank Ocean at a California recording studio.

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