Atlanta Tickets: Ariana Grande, Hunter Hayes

NEW YORK, NY - AUGUST 29: Ariana Grande performs on NBC's "Today" at the NBC's TODAY Show on August 29, 2014 in New York, New York. (Photo by Jamie McCarthy/Getty Images) Ariana Grande performed on the "Today" show last month. She'll head to Atlanta in 2015. Photo: Getty Images (Melissa Ruggieri)