Backstreet Boys' Sphere Residency Passes 35 Sold-Out Shows, 575,000 Fans, Extended to Early 2027

The Backstreet Boys' "Into the Millennium" residency at the Las Vegas Sphere has surpassed 35 sold-out performances for a cumulative 575,000 fans, Billboard reported. The run, launched July 2025, continues through 29 August 2026, with three New Year's Eve shows added — fan-club presale 18 August, 10 a.m. PT — and further dates into early 2027.