*Rihanna has used Twitter to strike back at critics of her pics from the Coachella Music Festival in which she appears to roll a marijuana blunt, using the bald head of her bodyguard as a table while she sat on his shoulders.

“Yikes. @Rihanna’s marijuana photos from Coachella spark controversy,” MTV wrote on its Twitter account on Thursday afternoon, posting shots from the singer’s Instagram feed and drawing a barbed response from Rihanna herself.

“@MTV Yikes… @rihanna ran out of f***s to give,” she tweeted back.

MTV has since deleted its tweet, though the story remains posted.

“I’m crazy, and I don’t pretend to be anything else,” Rihanna tweeted yesterday, in response to fans concerned by the photos.