Rihanna performs at the Los Angeles Convention Center on Feb. 13, 2016 in Los Angeles.
Lester Cohen—Getty Images
February 15, 2016 9:36 PM EST

Rihanna fans were disappointed on Monday night when the singer canceled her Grammys performance on doctor’s orders.

The Anti singer performed her song “Kiss It Better” in rehearsals on Monday before her doctor asked her to go on vocal rest for 48 hours due to a bronchial infection that put her “at risk of hemorrhaging her vocal cords,” her representative said, via Billboard.

Rihanna will need to get major rest while she can; her world tour for Anti is scheduled to begin later this month.

[Billboard]

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