Grande's representative said Wednesday the singer would not perform Saturday at the Paul Brown Stadium in Cincinnati because she had some of her wisdom teeth removed Monday.
A representative for Lovato confirmed that she would perform Saturday instead.
The free concert during the 2015 MLB All-Star Week will also include pop-rock band Rixton, best known for the hit "Me and My Broken Heart." The 86th MLB All-Star Game will air July 14 on Fox from the Great American Ball Park in Cincinnati.
Lovato released a new single, "Cool for the Summer," last week.Suggest a correction