― Rihanna who is presently on tour in Sweden has cancelled a performance scheduled for tonight, due to illness. ∙ TMZ.com reports that the singer is hospitalized in Sweden, suffering from flu. Her rep has also confirmed the cancellation, stating Rihanna is "not in condition to conduct the concert." ∙ Rihanna also tweeted "Sorry Malmo!" along with a picture of her arm with an IV drip .