NEW YORK, NEW YORK - DECEMBER 06: Singer Ariana Grande attends the Billboard Women In Music 2018 on December 06, 2018 in New York City. (Photo by Mike Coppola/Getty Images for Billboard )

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Food allergy puts a stop to Ariana Grande's world tour

Ariana Grande will be postponing shows in her "Sweetener World Tour" after experiencing an allergic reaction to tomatoes, according to the singer's Wednesday posts to Instagram.