The famous Las Vegas Sphere has their first big time pop residency and it might not be who you expect. Backstreet Boys are set to make history by becoming the first pop act to perform at the Sphere in Las Vegas. The chart-topping boy band – featuring Nick Carter, Brian Littrell, AJ McLean, Kevin Richardson, and Howie Dorough – have announced a 9-show Sphere residency titled, Into the Millennium, which will run every Friday through Sunday from July 11 to 27, 2025.