Rihannaflexed her philanthropic muscles last night, joining the likes ofParis HiltonandCardi Bat a charity event in West Hollywood.

The singer and entrepreneur opted for a conservative black dress: a long-sleeved, mock-necked maxi.

But Rihanna is never one to play it safe.

EXCLUSIVE Los Angeles  Stylish pop star and mogul Rihanna rocks all black while attending the Jason lee Hollywood Cares…

GUMU, BRPA

Over her body-hugging shroud, she added a statement-making leather jacket.

She opted for a dramatic makeup look, and ditched last weeks blonde pixie cut for a French twist.

Always one to keep us on our toes, we love to see Rihannas out-of-the-box style.

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MIHA

Whos to say we wont see leather jackets in more peoples interpretations of formalwear going forward?

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MIHA