The Backstreet Boys will began their residency at Las Vegas' The Sphere next month where fans can expect the group to bring their Millennium album to life alongside their greatest hits. ➡️ Swipe through to watch our interview with Howie. ⁣ ⁣ 📸: Backstreet boys//IG⁣ ⁣ #BackstreetBoys #TheSphere #PopNews