Even world-famous pop stars need their sick days. 

Rihanna was forced to cancel a second tour date this week due to a nasty bout of influenza and laryngitis, Billboard.com reports. The "Diamonds" singer will delay her Baltimore show until she recovers. She also canceled her engagement in Boston on Sunday when the virus struck. 
Event organizers are telling fans to hold on to their tickets and wait on word for a rescheduled date. Rihanna's Diamonds World Tour kicked off in Buffalo, New York, on Friday. She is next scheduled to perform in Philadelphia on Thursday. 
Hopefully she has her man Breezy by her side while she gets well.

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