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Before the Backstreet Boys settle down in Las Vegas for their 18-date Larger Than Life residency at Planet Hollywood starting March 2017, the legendary boy band of the ‘90s appeared on the Honda Stage at the iHeartRadio Theater in Los Angeles to give fans a preview of their Sin City takeover.

Nick Carter, A.J. McLean, Kevin Richardson, Brian Littrell, and Howie Dorough, launched the night with a high-octane performance of their 2000 hit, "The Calling," that quickly segued into the Carter and McLean-driven "Incomplete." Their set immediately unfolded into karaoke night when the audience recited every lyric to their stripped-down rendition of the BSB classics, "Show Me The Meaning" and "All I Have To Give."

“The Call”

“Incomplete”

“Show Me The Meaning of Being Lonely (Acoustic)”

During "Get Another Boyfriend," the boys scanned the audience and appropriately picked out The Bachelors' Becca Tilley and Ashley Iaconetti for a crowd-pleasing serenade.

“Get Another Boyfriend (Acoustic)”

Not a single seat in the house was used -- or so it appeared -- as the crowd danced and assisted the boys with their live performance of the very familiar hits "As Long As You Love Me," "We've Got It Going On," "I Want It That Way," "Everybody," and the dance-heavy finale "Larger Than Life."

"We've Got It Goin' On"

"I Want It That Way"

"Larger Than Life"

The group's hour-long spectacular was split with Q&A segments hosted by KIIS FM's JoJo Wright, who asked BSB a series of questions regarding their residency -- which they hyped as "infinity" times better than any past Backstreet show. When asked to confirm (or deny) rumors of a their tenth album, they collectively answered, "Truth."

BSB took the Honda Stage to stoke excitement for their Larger Than Life concert series -- named after their 1999 hit -- at Planet Hollywood Resort & Casino’s the Axis Theater. Their residency, which succeeds Britney SpearsPiece of Me show, kicks off March 1 and will scatter 17 additional dates until their finale on July 1. Tickets for the general public go on sale October 1 here.

BSB’s LA appearance also follows their surprise performance at the 2016 iHeartRadio Music Festival in Las Vegas last Saturday (September 24), during which the pop collective joined Florida Georgia Line for a duet of “Everybody” before taking over the stage with their own setlist.

The CW Network will rebroadcast their iHeartRadio Music Festival performance, along with performances by Ariana Grande, Spears, U2, twenty one pilots, and many more, on October 6 and 7 at 8 p.m. PT.

Find the Backstreet Boys' Honda Stage setlist and full performances below:

"The Call"

"Incomplete"

"Show Me The Meaning of Being Lonely"

"All I Have to Give"

"Get Another Boyfriend"

"As Long As You Love Me"

"We've Got It Going On"

"I Want It That Way"

"Everybody (Backstreet's Back)"

"Larger Than Life"

On Their Las Vegas Residency:

Can They Still Rock their Body Right?

Photo: The Tyler Twins for iHeartRadio