RIHANNA IS ON EVERY MEDICATION UNDER THE SUN!

Rihanna could be the only girl in the world who would perform at the Grammys with bronchitis and laryngitis.

On Friday, the day after pulling out of a performing for the Women's Cancer Research Fund, the "Only Girl (In the World)" singer was spotted rehearsing for the 53rd Annual Grammy Awards.

Despite reports that she might pull out of the event, the 22-year-old singer told her Twitter followers that she plans to perform Sunday with rapper Eminem.

"Bronchitis and laryngitis boo!" she tweeted. "I'm still goin to rehearsals tho! Sunday is everything."

A spokeswoman for the Grammys confirmed that Rihanna seemed to still be on the roster.

"We have not heard anything suggesting she isn't making it, as far as we know she will still be performing on Sunday," Stephanie Schell said via email to Reuters.

Neil Portnow, president of the National Academy of Recording Arts & Sciences, aadded to eonline.com that "the show must go on."

The pop star has been popping steroids and antibiotics to be ready for the show, RadarOnline.com.

"I'm on every med under the sun!" Rihanna tweeted to Ryan Seacrest on Saturday. "Don't wanna miss a thang!!!"

She does appear to be feeling better. The singer struck a pose on the red carpet at the Gucci and Roc Nation pre-Grammy party at Soho House in West Hollywood, Calif., on Saturday.


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