London, Apr 19 (ANI): Rihanna's fans were shocked when the singer tweeted a picture that appeared to show her taking drugs.
The 24-year-old singer was blasted after blatantly racking up a line of what looked like cocaine on top of a bald man's head.
She included a bizarre caption - "Memories don't live like people do" - when she posted photos from the Coachella festival in California.
They showed her making a middle-fingered gesture while riding on the unknown man's shoulders before tipping a pile of powder on his bonce, the Daily Star reported.
The 'Rude Boy' singer then appeared to line it up with the side of her right hand while clutching a rolled-up piece of paper in her left.
It is not clear if the mystery substance was cocaine, another drug or something harmless.
On Wednesday night thousands of fans expressed their outrage at the photos, which were hastily taken down from the singer's @Rihanna account.
North London-based @OhYouThegzyHuh wrote: "Rihanna needs to fix up! She's meant to be a role model for loads of girls around the world."
And Rihanna fan @Crystalax said: ":O @rihanna doing cocaine is soo wrong wtf is wrong with her!! Wat a career waster."
Lucy Dawe, of anti-drug group Cannabis Skunk Sense, said: "Rihanna should be setting an example for her followers, not snorting drugs."
Fans at Coachella said the star was rolling joints in the crowd while rappers Snoop Dog, 40, and Dr Dre, 47, were on stage on Sunday night. (ANI)
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