The Backstreet Boys kicked off their Sphere residency, blending elements of the past and future brilliantly. We take you inside their first show.

Backstreet’s back, alright!” Backstreet Boys are kicking off their 21-show Las Vegas residency with the release of Millennium 2.0 - a 25th anniversary editon of the pop boy band’s hit album Millennium - as they prepare to take the stage on Friday (July 11) for a run that will last until August 24 at The Sphere in Las Vegas,