Pakistan, Sept. 19 -- BTS made its live debut at the iHeartRadio Music Festival with a four-song performance in Las Vegas. The K-pop group headlined the festival's opening night at T-Mobile Arena on Friday, September 18. The appearance marked the septet's first in-person performance at the event.

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The two-day festival, hosted by Ryan Seacrest, is taking place in Las Vegas from September 18 to 19. Friday's lineup also included Cardi B, Goo Goo Dolls, Kenny Chesney, Weezer and Zara Larsson. However, BTS drew major attention when all seven members took the stage together.

RM, Jimin, Jin, Jungkook, J-Hope, Suga and V delivered a high-energy four-song set. The group op...