The “Millennium” never really ended. Since July 2025, Backstreet Boys have been living like it’s 2000 at Las Vegas Sphere as part of their ongoing residency at the one-of-a-kind, visually spectacular venue. And, if you want to travel back in time with Nick, Howie, AJ, Kevin and Brian this week, last-minute tickets are available for their three shows at Sphere from Feb. 5-7. At the time of publication, the lowest price we could find on seats to catch the beloved quintet over the next few days