The Backstreet Boys are extending their upcoming residency at Las Vegas' Sphere. On Monday morning (Feb. 24) the boys-to-man band announced the addition of shows on August 15, 16 and 17, bringing the total amount of announced residency gigs so far to 18.

BSB has added Aug. 15, 16 and 17 to “Into the Millennium” at the Bulbous Wonder. The series now covers 18 dates, starting July 11. Tickets to the first 15 shows are on sale now. The three added shows are up 9 a.m. Friday at Ticketmaster.com.

The Backstreet Boys are taking over Las Vegas this summer, and you don’t want to be the one to miss out. The iconic ’90s pop band will be performing at

Ultimately, I decided to embrace the wild ride that is Las Vegas and accepted the invitation to Sphere. I couldn’t pass up the opportunity to see this one-of-a-kind live event space. I infrequently go to Vegas and my visits are typically just for this annual conference, and, as I alluded to, it’s always a busy jam-packed time.

In an exclusive interview with PEOPLE, Backstreet Boys reveal their Sphere residency in Las Vegas will be "larger than life." The boy band also discusses their forthcoming 'Millennium 2.0' album.

Tickets for the Backstreet Boys’ Las Vegas residency at the Sphere go on sale to the public on Feb. 21 at 12 p.m. through Ticketmaster. With this being the first pop act to take over Las Vegas’ Sphere, it’ll come as no surprise, if tickets sell out fast.

The Backstreet Boys' Las Vegas residency is the hottest ticket in town, so celebrate “Backstreet’s back, alright!” by getting your tickets before the best seats are sold out.

The boy band's 15-date Into the Millennium residency shows are selling out, but these sites still have stubs on sale