Rihanna Snapped Doing Drugs At Coachella?

RiRi — no! Rihanna hung out at the Coachella Music Festival this past week with her BFF Katy Perry and shared a picture of herself sitting on top of a man's shoulders scooping mystery white flakes into a hollowed-out cigar.

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Accompanied next to the picture was a quote that read: 'Memories don't live like people do #coachella'.

Ri is no stranger to showcasing her freewheeling lifestyle on social networking sites. On Monday, she shared over 100 photos of herself vacationing in Hawaii, some of her topless underneath a waterfall.

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Perhaps in defense of her increasingly risky behavior she Tweeted yesterday: "I'm crazy, and I don't pretend to be anything else."

Meanwhile, some fans responded with worry and caution.

"What is that white matter? Riri I hope is not cocaine..the substance is cocaine, please do not use it ever again!" said one fan.

While others seemed to take it less seriously.