Rihanna Cancels Her 2016 Grammy Awards Performance -- What Went Wrong

This is not real life.
After delaying her ANTI album for what seemed like forever, Rihanna has canceled her Kiss Me Better Grammys performance.
BUT, but we needed this!!
Following a short Staples Center rehearsal, the bad gal promptly left with little explanation.
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The BBHMM singer was reportedly diagnosed with bronchitis last week and is on meds. Apparently, an on-site doctor suggested she pull out of the performance because the stage show could cause serious vocal damage.
Oy vey.
What is going on with her?!
[Image via WENN.]