Backstreet Boys have announced they will headline a residency at the Las Vegas Sphere, becoming the first pop act to top the bill at the venue. The "Into the Millennium" show sees all five members – AJ McLean, Howie Dorough, Nick Carter, Kevin Richardson and Brian Littrell – perform songs from their 1999 album "Millennium" alongside other greatest hits, set against the Sphere's high-tech visual and sound system.

The residency began in July 2025 and has since been extended multiple times, with new dates now running through December 2026, New Year's Eve and into January 2027. The setlist includes hits such as "I Want It That Way," "Larger Than Life" and "Everybody (Backstreet's Back)," alongside deeper cuts, and coincided with the release of "Millennium 2.0," a 25th-anniversary reissue featuring remastered tracks and a new song, "Hey." Tickets and VIP packages, including hotel stays and exclusive fan experiences, are available through Vivid Seats and Vibee.