Ariana Grande Cancels br Kentucky Concert Due to Illness.br On her Instagram account, the br singer blamed an ongoing illness.br "I’m not really sure what’s going on. But, I, unfortunately, don’t think I will be able to push through tonight."br - Ariana Grande, via Instagram.br The 26-year-old was scheduled br to perform in the city of br Lexington on Sunday. .br The concert is apart of the br "Thank U, Next" singer's br 'Sweetener' tour, which br ends in December.br Grande added that those who br purchased tickets for the br show would get a refund.br Over the weekend, the songstress revealed that she has been br sick for weeks.br "Hi my loves. So I’m still very sick. I’ve been sick since the last London show."br - Ariana Grande, via Instagram.br "I’ve been coughing and had this like crazy sinus infection thing that has not gone away for a really long time."br - Ariana Grande, via Instagram.