The video, posted on Instagram by user fly.xhuksta appears to show the 27-year-old preparing a suspicious substance before rubbing her nose.
The caption reads: 'CHECK OUT THE COKE HEAD I AINT SUPRISED DOE ALOT OF YALL GIRL BE COKE HEADS ON THE LOWSKI.'(sic)
According to Complex.com, Rihanna hit back under the video post- which has now been removed- writing:
'N*a your lame ass got some fking nerve!!! Any fool could see that's a joint that I'm basing with cigarette!
'Who tF snorts tobacco??!! FOH witcho "never been to a rodeo so someone squeezing their nose means they're doing coke" lookin ass!! (sic)'.
This isn't the first time the Diamonds singer has courted controversy at Coachella.
In 2012 the star posted a picture of herself cutting up what appeared to be a white substance on top of a man's head at the festival.
However many of the singer's 'navy' insisted she was 'simply rolling a blunt'.
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