The Sphere is going pop this summer. In July, the Las Vegas venue will host the Backstreet Boys for their nine-date Into the Millennium residency. Beginning Friday, July 11, the band will perform ...

But the night came with more surprises than just Underwood. Meeting a few of the contestants of season 23, Backstreet Boys singer Brian Littrell made an appearance during the season premiere.

Prep your all-white outfits, because the first pop group to take over the Sphere will play 12 shows in July and August. By Gil Kaufman The Backstreet Boys are psyched that they will be the first ...

By Gil Kaufman The Backstreet Boys are extending their upcoming residency ... Kevin Richardson and Howie Dorough — are the first pop group booked to perform at the Sphere, with McLean telling ...