VIDEO: The Backstreet Boys Perform on AMERICA'S GOT TALENT

Seven-time Grammy Award-nominated superstars Backstreet Boys performed the title track and first single from their eighth full-length studio album, "In a World Like This," on NBC's "America's Got Talent" results show last night, as well as their hit 'I Want It That Way.' Check out the appearance below!

Backstreet Boys, the best-selling boy band in history, have sold more than 130 million albums worldwide, with eight consecutive albums landing in the top 10 of the Billboard Top 200 chart.

BSB are currently celebrating their 20th anniversary with a new album (which debuted at #5 on Billboard's Top 200), are on a headlining world tour that is selling out many of the top amphitheaters and arenas around the world, and were recently honored with a star on the legendary Hollywood Walk of Fame. The uplifting title track, "In a World Like This," was written by Max Martin, who has also penned songs for Taylor Swift, Pink, Katy Perry and Maroon 5.

As the competition heats up, NBC will expand the final live performance broadcast to two hours on Tuesday, Sept. 17 (9-11 p.m.), allowing each of the final six performers to showcase their act for the last time. The winner of "America's Got Talent" will be announced live on Wednesday, Sept. 18 (9-11 p.m.).

The 12 contestants who performed on this week's show are:
3Penny Chorus and Orchestra
Aerial Ice
Cami Bradley
Champions Forever
Chloe Channell
David Ferman
Jimmy Rose
SensEtion
Taylor Williamson
The Robotix
Timber Brown
Tummy Talk

Now in its eighth season, "America's Got Talent" stars celebrity judges Howie Mandel, Mel B, Heidi Klum and Howard Stern. With the talent search open to acts of all ages, "America's Got Talent" has brought the variety format back to the forefront of American culture by showcasing performers from across the country.